diff --git a/attachment-viewer/build.gradle b/attachment-viewer/build.gradle
index 82e208d47e..064f497dc7 100644
--- a/attachment-viewer/build.gradle
+++ b/attachment-viewer/build.gradle
@@ -18,11 +18,12 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdk 30
+
+    compileSdk versions.compileSdk
 
     defaultConfig {
-        minSdk 21
-        targetSdk 30
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
     }
 
     buildTypes {
@@ -32,8 +33,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility versions.sourceCompat
+        targetCompatibility versions.targetCompat
     }
     kotlinOptions {
         jvmTarget = "11"
@@ -49,13 +50,13 @@ dependencies {
 
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
 
-    implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
-    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
+    implementation libs.rx.rxKotlin
+    implementation libs.rx.rxAndroid
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.6.0'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation "androidx.recyclerview:recyclerview:1.2.1"
+    implementation libs.jetbrains.kotlinStdlib
+    implementation libs.androidx.core
+    implementation libs.androidx.appCompat
+    implementation libs.androidx.recyclerview
 
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation libs.google.material
 }
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 800c4a713b..49c3e07ece 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,9 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    // Ref: https://kotlinlang.org/releases.html
-    ext.kotlin_version = '1.5.30'
-    ext.kotlin_coroutines_version = "1.5.1"
+
+    apply from: 'dependencies.gradle'
+
     repositories {
         google()
         jcenter()
@@ -11,12 +11,13 @@ buildscript {
             url "https://plugins.gradle.org/m2/"
         }
     }
+
     dependencies {
         // Release notes of Android Gradle Plugin (AGP):
         // https://developer.android.com/studio/releases/gradle-plugin
-        classpath 'com.android.tools.build:gradle:7.0.2'
+        classpath libs.gradle.gradlePlugin
+        classpath libs.gradle.kotlinPlugin
         classpath 'com.google.gms:google-services:4.3.10'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:3.3'
         classpath 'com.google.android.gms:oss-licenses-plugin:0.10.4'
         classpath "com.likethesalad.android:string-reference:1.2.2"
diff --git a/dependencies.gradle b/dependencies.gradle
new file mode 100644
index 0000000000..13dc57d7fd
--- /dev/null
+++ b/dependencies.gradle
@@ -0,0 +1,127 @@
+ext.versions = [
+
+        'minSdk'            : 21,
+        'compileSdk'        : 30,
+        'targetSdk'         : 30,
+        'sourceCompat'      : JavaVersion.VERSION_11,
+        'targetCompat'      : JavaVersion.VERSION_11,
+]
+
+// Ref: https://kotlinlang.org/releases.html
+def gradle = "7.0.2"
+def kotlin = "1.5.30"
+def kotlinCoroutines = "1.5.1"
+def dagger = "2.38.1"
+def retrofit = "2.9.0"
+def arrow = "0.8.2"
+def markwon = "4.6.2"
+def moshi = "1.12.0"
+def lifecycle = "2.2.0"
+def rxBinding = "3.1.0"
+def epoxy = "4.6.2"
+def glide = "4.12.0"
+def bigImageViewer = "1.8.1"
+def jjwt = "0.11.2"
+
+// Testing
+def mockk = "1.12.0"
+def espresso = "3.4.0"
+def androidxTest = "1.4.0"
+
+
+ext.libs = [
+        gradle      : [
+                'gradlePlugin'            : "com.android.tools.build:gradle:$gradle",
+                'kotlinPlugin'            : "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin"
+        ],
+        jetbrains   : [
+                'kotlinStdlibJdk7'        : "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin",
+                'kotlinStdlib'            : "org.jetbrains.kotlin:kotlin-stdlib:$kotlin",
+                'coroutinesCore'          : "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinCoroutines",
+                'coroutinesAndroid'       : "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlinCoroutines",
+                'coroutinesRx2'           : "org.jetbrains.kotlinx:kotlinx-coroutines-rx2:$kotlinCoroutines"
+        ],
+        androidx    : [
+                'appCompat'               : "androidx.appcompat:appcompat:1.3.1",
+                'core'                    : "androidx.core:core-ktx:1.6.0",
+                'recyclerview'            : "androidx.recyclerview:recyclerview:1.2.1",
+                'exifinterface'           : "androidx.exifinterface:exifinterface:1.3.3",
+                'fragmentKtx'             : "androidx.fragment:fragment-ktx:1.3.6",
+                'constraintLayout'        : "androidx.constraintlayout:constraintlayout:2.1.0",
+                'work'                    : "androidx.work:work-runtime-ktx:2.5.0",
+                'autoFill'                : "androidx.autofill:autofill:1.1.0",
+                'preferenceKtx'           : "androidx.preference:preference-ktx:1.1.1",
+                'junit'                   : "androidx.test.ext:junit:1.1.3",
+                'lifecycleExtensions'     : "androidx.lifecycle:lifecycle-extensions:$lifecycle",
+                'lifecycleJava8'          : "androidx.lifecycle:lifecycle-common-java8:$lifecycle",
+                'lifecycleLivedata'       : "androidx.lifecycle:lifecycle-livedata-ktx:2.3.1",
+                'pagingRuntimeKtx'        : "androidx.paging:paging-runtime-ktx:2.1.2",
+                'coreTesting'             : "androidx.arch.core:core-testing:2.1.0",
+                'testCore'                : "androidx.test:core:$androidxTest",
+                'testRunner'              : "androidx.test:runner:$androidxTest",
+                'testRules'               : "androidx.test:rules:$androidxTest",
+                'espressoCore'            : "androidx.test.espresso:espresso-core:$espresso",
+                'espressoContrib'         : "androidx.test.espresso:espresso-contrib:$espresso",
+                'espressoIntents'         : "androidx.test.espresso:espresso-intents:$espresso"
+        ],
+        google      : [
+                'material'                : "com.google.android.material:material:1.4.0"
+        ],
+        dagger      : [
+                'dagger'                  : "com.google.dagger:dagger:$dagger",
+                'daggerCompiler'          : "com.google.dagger:dagger-compiler:$dagger"
+        ],
+        squareup    : [
+                'moshi'                  : "com.squareup.moshi:moshi-adapters:$moshi",
+                'moshiKotlin'            : "com.squareup.moshi:moshi-kotlin-codegen:$moshi",
+                'retrofit'               : "com.squareup.retrofit2:retrofit:$retrofit",
+                'retrofitMoshi'          : "com.squareup.retrofit2:converter-moshi:$retrofit"
+        ],
+        rx          : [
+                'rxKotlin'               : "io.reactivex.rxjava2:rxkotlin:2.4.0",
+                'rxAndroid'              : "io.reactivex.rxjava2:rxandroid:2.1.1"
+        ],
+        arrow       : [
+                'core'                   : "io.arrow-kt:arrow-core:$arrow",
+                'instances'              : "io.arrow-kt:arrow-instances-core:$arrow"
+        ],
+        markwon     : [
+                'core'                   : "io.noties.markwon:core:$markwon",
+                'html'                   : "io.noties.markwon:html:$markwon"
+        ],
+        airbnb      : [
+                'epoxy'                  : "com.airbnb.android:epoxy:$epoxy",
+                'epoxyGlide'             : "com.airbnb.android:epoxy-glide-preloading:$epoxy",
+                'epoxyProcessor'         : "com.airbnb.android:epoxy-processor:$epoxy",
+                'epoxyPaging'            : "com.airbnb.android:epoxy-paging:$epoxy",
+                'mvrx'                   : "com.airbnb.android:mvrx:1.5.1"
+        ],
+        mockk      : [
+                'mockk'                   : "io.mockk:mockk:$mockk",
+                'mockkAndroid'            : "io.mockk:mockk-android:$mockk"
+        ],
+        github     : [
+                'glide'                  : "com.github.bumptech.glide:glide:$glide",
+                'glideCompiler'          : "com.github.bumptech.glide:compiler:$glide",
+                'bigImageViewer'         : "com.github.piasy:BigImageViewer:$bigImageViewer",
+                'glideImageLoader'       : "com.github.piasy:GlideImageLoader:$bigImageViewer",
+                'progressPieIndicator'   : "com.github.piasy:ProgressPieIndicator:$bigImageViewer",
+                'glideImageViewFactory'  : "com.github.piasy:GlideImageViewFactory:$bigImageViewer"
+        ],
+        jakewharton : [
+                'timber'                 : "com.jakewharton.timber:timber:5.0.1",
+                'rxbinding'              : "com.jakewharton.rxbinding3:rxbinding:$rxBinding",
+                'rxbindingAppcompat'     : "com.jakewharton.rxbinding3:rxbinding-appcompat:$rxBinding",
+                'rxbindingMaterial'      : "com.jakewharton.rxbinding3:rxbinding-material:$rxBinding"
+        ],
+        jsonwebtoken: [
+                'jjwtApi'                : "io.jsonwebtoken:jjwt-api:$jjwt",
+                'jjwtImpl'               : "io.jsonwebtoken:jjwt-impl:$jjwt",
+                'jjwtOrgjson'            : "io.jsonwebtoken:jjwt-orgjson:$jjwt"
+        ],
+        tests       : [
+                'kluent'                 : "org.amshove.kluent:kluent-android:1.68",
+                'timberJunitRule'        : "net.lachlanmckee:timber-junit-rule:1.0.1",
+                'junit'                  : "junit:junit:4.13.2"
+        ]
+]
\ No newline at end of file
diff --git a/library/ui-styles/build.gradle b/library/ui-styles/build.gradle
index 069becba0d..cee58414c7 100644
--- a/library/ui-styles/build.gradle
+++ b/library/ui-styles/build.gradle
@@ -20,11 +20,11 @@ plugins {
 }
 
 android {
-    compileSdk 30
 
+    compileSdk versions.compileSdk
     defaultConfig {
-        minSdk 21
-        targetSdk 30
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
@@ -38,8 +38,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility versions.sourceCompat
+        targetCompatibility versions.targetCompat
     }
 
     kotlinOptions {
@@ -52,10 +52,10 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation libs.androidx.appCompat
+    implementation libs.google.material
     // Pref theme
-    implementation 'androidx.preference:preference-ktx:1.1.1'
+    implementation libs.androidx.preferenceKtx
     // PFLockScreen attrs
     implementation 'com.github.vector-im:PFLockScreen-Android:1.0.0-beta12'
     // dialpad dimen
diff --git a/matrix-sdk-android-rx/build.gradle b/matrix-sdk-android-rx/build.gradle
index 0d2ddee2e0..dbd761cee3 100644
--- a/matrix-sdk-android-rx/build.gradle
+++ b/matrix-sdk-android-rx/build.gradle
@@ -3,11 +3,11 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 
 android {
-    compileSdk 30
+    compileSdk versions.compileSdk
 
     defaultConfig {
-        minSdk 21
-        targetSdk 30
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
 
         // Multidex is useful for tests
         multiDexEnabled true
@@ -22,8 +22,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility versions.sourceCompat
+        targetCompatibility versions.targetCompat
     }
 
     kotlinOptions {
@@ -32,15 +32,16 @@ android {
 }
 
 dependencies {
+
     implementation project(":matrix-sdk-android")
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
-    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-rx2:$kotlin_coroutines_version"
+    implementation libs.androidx.appCompat
+    implementation libs.rx.rxKotlin
+    implementation libs.rx.rxAndroid
+    implementation libs.jetbrains.coroutinesRx2
 
     // Paging
-    implementation "androidx.paging:paging-runtime-ktx:2.1.2"
+    implementation libs.androidx.pagingRuntimeKtx
 
     // Logging
-    implementation 'com.jakewharton.timber:timber:5.0.1'
+    implementation libs.jakewharton.timber
 }
diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index 5da7fd9885..824d51d589 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -14,12 +14,13 @@ buildscript {
 }
 
 android {
-    compileSdk 30
     testOptions.unitTests.includeAndroidResources = true
 
+    compileSdk versions.compileSdk
+
     defaultConfig {
-        minSdk 21
-        targetSdk 30
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
 
         // Multidex is useful for tests
         multiDexEnabled true
@@ -65,8 +66,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility versions.sourceCompat
+        targetCompatibility versions.targetCompat
     }
 
     kotlinOptions {
@@ -100,62 +101,53 @@ static def gitRevisionDate() {
 
 dependencies {
 
-    def arrow_version = "0.8.2"
-    def moshi_version = '1.12.0'
-    def lifecycle_version = '2.2.0'
-    def arch_version = '2.1.0'
-    def markwon_version = '3.1.0'
-    def daggerVersion = '2.38.1'
-    def work_version = '2.5.0'
-    def retrofit_version = '2.9.0'
+    implementation libs.jetbrains.kotlinStdlibJdk7
+    implementation libs.jetbrains.coroutinesCore
+    implementation libs.jetbrains.coroutinesAndroid
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+    implementation libs.androidx.appCompat
+    implementation libs.androidx.core
 
-    implementation "androidx.appcompat:appcompat:1.3.1"
-    implementation "androidx.core:core-ktx:1.6.0"
-
-    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
-    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
+    implementation libs.androidx.lifecycleExtensions
+    implementation  libs.androidx.lifecycleJava8
 
     // Network
-    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
-    implementation "com.squareup.retrofit2:converter-moshi:$retrofit_version"
+    implementation libs.squareup.retrofit
+    implementation libs.squareup.retrofitMoshi
 
     implementation(platform("com.squareup.okhttp3:okhttp-bom:4.9.1"))
     implementation 'com.squareup.okhttp3:okhttp'
     implementation 'com.squareup.okhttp3:logging-interceptor'
     implementation 'com.squareup.okhttp3:okhttp-urlconnection'
 
-    implementation "com.squareup.moshi:moshi-adapters:$moshi_version"
-    kapt "com.squareup.moshi:moshi-kotlin-codegen:$moshi_version"
+    implementation libs.squareup.moshi
+    kapt libs.squareup.moshiKotlin
 
-    implementation "ru.noties.markwon:core:$markwon_version"
+    implementation libs.markwon.core
 
     // Image
-    implementation 'androidx.exifinterface:exifinterface:1.3.3'
+    implementation libs.androidx.exifinterface
 
     // Database
     implementation 'com.github.Zhuinden:realm-monarchy:0.7.1'
     kapt 'dk.ilios:realmfieldnameshelper:2.0.0'
 
     // Work
-    implementation "androidx.work:work-runtime-ktx:$work_version"
+    implementation libs.androidx.work
 
     // FP
-    implementation "io.arrow-kt:arrow-core:$arrow_version"
-    implementation "io.arrow-kt:arrow-instances-core:$arrow_version"
+    implementation libs.arrow.core
+    implementation libs.arrow.instances
 
     // olm lib is now hosted by jitpack: https://jitpack.io/#org.matrix.gitlab.matrix-org/olm
     implementation 'org.matrix.gitlab.matrix-org:olm:3.2.4'
 
     // DI
-    implementation "com.google.dagger:dagger:$daggerVersion"
-    kapt "com.google.dagger:dagger-compiler:$daggerVersion"
+    implementation libs.dagger.dagger
+    kapt libs.dagger.daggerCompiler
 
     // Logging
-    implementation 'com.jakewharton.timber:timber:5.0.1'
+    implementation libs.jakewharton.timber
     implementation 'com.facebook.stetho:stetho-okhttp3:1.6.0'
 
     // Video compression
@@ -164,28 +156,28 @@ dependencies {
     // Phone number https://github.com/google/libphonenumber
     implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.32'
 
-    testImplementation 'junit:junit:4.13.2'
+    testImplementation libs.tests.junit
     testImplementation 'org.robolectric:robolectric:4.6.1'
     //testImplementation 'org.robolectric:shadows-support-v4:3.0'
     // Note: version sticks to 1.9.2 due to https://github.com/mockk/mockk/issues/281
-    testImplementation 'io.mockk:mockk:1.12.0'
-    testImplementation 'org.amshove.kluent:kluent-android:1.68'
-    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+    testImplementation libs.mockk.mockk
+    testImplementation libs.tests.kluent
+    implementation libs.jetbrains.coroutinesAndroid
     // Plant Timber tree for test
     testImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
 
-    kaptAndroidTest "com.google.dagger:dagger-compiler:$daggerVersion"
-    androidTestImplementation 'androidx.test:core:1.4.0'
-    androidTestImplementation 'androidx.test:runner:1.4.0'
-    androidTestImplementation 'androidx.test:rules:1.4.0'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    androidTestImplementation 'org.amshove.kluent:kluent-android:1.68'
-    androidTestImplementation 'io.mockk:mockk-android:1.12.0'
-    androidTestImplementation "androidx.arch.core:core-testing:$arch_version"
-    androidTestImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+    kaptAndroidTest libs.dagger.daggerCompiler
+    androidTestImplementation libs.androidx.testCore
+    androidTestImplementation libs.androidx.testRunner
+    androidTestImplementation libs.androidx.testRules
+    androidTestImplementation libs.androidx.junit
+    androidTestImplementation libs.androidx.espressoCore
+    androidTestImplementation libs.tests.kluent
+    androidTestImplementation libs.mockk.mockkAndroid
+    androidTestImplementation libs.androidx.coreTesting
+    androidTestImplementation libs.jetbrains.coroutinesAndroid
     // Plant Timber tree for test
-    androidTestImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
+    androidTestImplementation libs.tests.timberJunitRule
 
     androidTestUtil 'androidx.test:orchestrator:1.4.0'
 }
diff --git a/multipicker/build.gradle b/multipicker/build.gradle
index 64460f6721..437499df7b 100644
--- a/multipicker/build.gradle
+++ b/multipicker/build.gradle
@@ -19,12 +19,11 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-parcelize'
 
 android {
-    compileSdk 30
+    compileSdk versions.compileSdk
 
     defaultConfig {
-        minSdk 19
-        targetSdk 30
-
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'
     }
@@ -39,11 +38,11 @@ android {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation "androidx.fragment:fragment-ktx:1.3.6"
-    implementation 'androidx.exifinterface:exifinterface:1.3.3'
+    implementation libs.jetbrains.kotlinStdlibJdk7
+    implementation libs.androidx.appCompat
+    implementation libs.androidx.fragmentKtx
+    implementation libs.androidx.exifinterface
 
     // Log
-    implementation 'com.jakewharton.timber:timber:5.0.1'
+    implementation libs.jakewharton.timber
 }
diff --git a/vector/build.gradle b/vector/build.gradle
index d65463bec2..afc6ac6a25 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -102,17 +102,20 @@ ext.abiVersionCodes = ["armeabi-v7a": 1, "arm64-v8a": 2, "x86": 3, "x86_64": 4].
 def buildNumber = System.env.BUILDKITE_BUILD_NUMBER as Integer ?: 0
 
 android {
-    compileSdk 30
+
+
 
     // Due to a bug introduced in Android gradle plugin 3.6.0, we have to specify the ndk version to use
     // Ref: https://issuetracker.google.com/issues/144111441
     ndkVersion "21.3.6528147"
 
+    compileSdk versions.compileSdk
+
     defaultConfig {
         applicationId "im.vector.app"
         // Set to API 21: see #405
-        minSdk 21
-        targetSdk 30
+        minSdk versions.minSdk
+        targetSdk versions.targetSdk
         multiDexEnabled true
 
         renderscriptTargetApi 24
@@ -289,8 +292,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility versions.sourceCompat
+        targetCompatibility versions.targetCompat
     }
 
     kotlinOptions {
@@ -313,26 +316,6 @@ android {
 
 dependencies {
 
-    def epoxy_version = '4.6.2'
-    def fragment_version = '1.3.6'
-    def arrow_version = "0.8.2"
-    def markwon_version = '4.1.2'
-    def big_image_viewer_version = '1.8.1'
-    def glide_version = '4.12.0'
-    def moshi_version = '1.12.0'
-    def daggerVersion = '2.38.1'
-    def autofill_version = "1.1.0"
-    def work_version = '2.5.0'
-    def arch_version = '2.1.0'
-    def lifecycle_version = '2.2.0'
-    def rxbinding_version = '3.1.0'
-    def jjwt_version = '0.11.2'
-
-    // Tests
-    def kluent_version = '1.68'
-    def androidxTest_version = '1.4.0'
-    def espresso_version = '3.4.0'
-
     implementation project(":matrix-sdk-android")
     implementation project(":matrix-sdk-android-rx")
     implementation project(":diff-match-patch")
@@ -341,29 +324,30 @@ dependencies {
     implementation project(":library:ui-styles")
     implementation 'androidx.multidex:multidex:2.0.1'
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+    implementation libs.jetbrains.kotlinStdlibJdk7
+    implementation libs.jetbrains.coroutinesCore
+    implementation libs.jetbrains.coroutinesAndroid
 
-    implementation "androidx.recyclerview:recyclerview:1.2.1"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation "androidx.fragment:fragment-ktx:$fragment_version"
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
+    implementation libs.androidx.recyclerview
+    implementation libs.androidx.appCompat
+    implementation libs.androidx.fragmentKtx
+    implementation libs.androidx.constraintLayout
     implementation "androidx.sharetarget:sharetarget:1.1.0"
-    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation libs.androidx.core
     implementation "androidx.media:media:1.4.1"
     implementation "androidx.transition:transition:1.4.1"
 
     implementation "org.threeten:threetenbp:1.4.0:no-tzdb"
     implementation "com.gabrielittner.threetenbp:lazythreetenbp:0.9.0"
 
-    implementation "com.squareup.moshi:moshi-adapters:$moshi_version"
-    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
-    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.3.1"
-    kapt "com.squareup.moshi:moshi-kotlin-codegen:$moshi_version"
+    implementation libs.squareup.moshi
+    kapt libs.squareup.moshiKotlin
+    implementation libs.androidx.lifecycleExtensions
+    implementation libs.androidx.lifecycleLivedata
+
 
     // Log
-    implementation 'com.jakewharton.timber:timber:5.0.1'
+    implementation libs.jakewharton.timber
 
     // Debug
     implementation 'com.facebook.stetho:stetho:1.6.0'
@@ -372,42 +356,42 @@ dependencies {
     implementation 'com.googlecode.libphonenumber:libphonenumber:8.12.32'
 
     // rx
-    implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
-    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
+    implementation libs.rx.rxKotlin
+    implementation libs.rx.rxAndroid
     implementation 'com.jakewharton.rxrelay2:rxrelay:2.1.1'
     // RXBinding
-    implementation "com.jakewharton.rxbinding3:rxbinding:$rxbinding_version"
-    implementation "com.jakewharton.rxbinding3:rxbinding-appcompat:$rxbinding_version"
-    implementation "com.jakewharton.rxbinding3:rxbinding-material:$rxbinding_version"
+    implementation libs.jakewharton.rxbinding
+    implementation libs.jakewharton.rxbindingAppcompat
+    implementation libs.jakewharton.rxbindingMaterial
 
-    implementation("com.airbnb.android:epoxy:$epoxy_version")
-    implementation "com.airbnb.android:epoxy-glide-preloading:$epoxy_version"
-    kapt "com.airbnb.android:epoxy-processor:$epoxy_version"
-    implementation "com.airbnb.android:epoxy-paging:$epoxy_version"
-    implementation 'com.airbnb.android:mvrx:1.5.1'
+    implementation libs.airbnb.epoxy
+    implementation libs.airbnb.epoxyGlide
+    kapt libs.airbnb.epoxyProcessor
+    implementation libs.airbnb.epoxyPaging
+    implementation libs.airbnb.mvrx
 
     // Work
-    implementation "androidx.work:work-runtime-ktx:$work_version"
+    implementation libs.androidx.work
 
     // Paging
-    implementation "androidx.paging:paging-runtime-ktx:2.1.2"
+    implementation libs.androidx.pagingRuntimeKtx
 
     // Functional Programming
-    implementation "io.arrow-kt:arrow-core:$arrow_version"
+    implementation libs.arrow.core
 
     // Pref
-    implementation 'androidx.preference:preference-ktx:1.1.1'
+    implementation libs.androidx.preferenceKtx
 
     // UI
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation libs.google.material
     implementation 'me.gujun.android:span:1.7'
-    implementation "io.noties.markwon:core:$markwon_version"
-    implementation "io.noties.markwon:html:$markwon_version"
+    implementation libs.markwon.core
+    implementation libs.markwon.html
     implementation 'com.googlecode.htmlcompressor:htmlcompressor:1.5.2'
     implementation 'me.saket:better-link-movement-method:2.2.0'
     implementation 'com.google.android:flexbox:2.0.1'
-    implementation "androidx.autofill:autofill:$autofill_version"
+    implementation libs.androidx.autoFill
     implementation 'jp.wasabeef:glide-transformations:4.3.0'
     implementation 'com.github.vector-im:PFLockScreen-Android:1.0.0-beta12'
     implementation 'com.github.hyuwah:DraggableView:1.0.0'
@@ -431,16 +415,16 @@ dependencies {
     implementation 'com.squareup:seismic:1.0.2'
 
     // Image Loading
-    implementation "com.github.piasy:BigImageViewer:$big_image_viewer_version"
-    implementation "com.github.piasy:GlideImageLoader:$big_image_viewer_version"
-    implementation "com.github.piasy:ProgressPieIndicator:$big_image_viewer_version"
-    implementation "com.github.piasy:GlideImageViewFactory:$big_image_viewer_version"
+    implementation libs.github.bigImageViewer
+    implementation libs.github.glideImageLoader
+    implementation libs.github.progressPieIndicator
+    implementation libs.github.glideImageViewFactory
 
     // implementation 'com.github.MikeOrtiz:TouchImageView:3.0.2'
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
 
-    implementation "com.github.bumptech.glide:glide:$glide_version"
-    kapt "com.github.bumptech.glide:compiler:$glide_version"
+    implementation libs.github.glide
+    kapt libs.github.glideCompiler
     implementation 'com.danikula:videocache:2.7.1'
     implementation 'com.github.yalantis:ucrop:2.2.7'
 
@@ -451,8 +435,8 @@ dependencies {
     implementation 'nl.dionsegijn:konfetti:1.3.2'
     implementation 'com.github.jetradarmobile:android-snowfall:1.2.1'
     // DI
-    implementation "com.google.dagger:dagger:$daggerVersion"
-    kapt "com.google.dagger:dagger-compiler:$daggerVersion"
+    implementation libs.dagger.dagger
+    kapt libs.dagger.daggerCompiler
 
     // gplay flavor only
     gplayImplementation('com.google.firebase:firebase-messaging:22.0.0') {
@@ -492,34 +476,34 @@ dependencies {
     implementation 'im.dlg:android-dialer:1.2.5'
 
     // JWT
-    api "io.jsonwebtoken:jjwt-api:$jjwt_version"
-    runtimeOnly "io.jsonwebtoken:jjwt-impl:$jjwt_version"
-    runtimeOnly("io.jsonwebtoken:jjwt-orgjson:$jjwt_version") {
+    api libs.jsonwebtoken.jjwtApi
+    runtimeOnly libs.jsonwebtoken.jjwtImpl
+    runtimeOnly(libs.jsonwebtoken.jjwtOrgjson) {
         exclude group: 'org.json', module: 'json' //provided by Android natively
     }
     implementation 'commons-codec:commons-codec:1.15'
 
 
     // TESTS
-    testImplementation 'junit:junit:4.13.2'
-    testImplementation "org.amshove.kluent:kluent-android:$kluent_version"
+    testImplementation libs.tests.junit
+    testImplementation libs.tests.kluent
     // Plant Timber tree for test
-    testImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
+    testImplementation libs.tests.timberJunitRule
 
     // Activate when you want to check for leaks, from time to time.
     //debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.3'
 
-    androidTestImplementation "androidx.test:core:$androidxTest_version"
-    androidTestImplementation "androidx.test:runner:$androidxTest_version"
-    androidTestImplementation "androidx.test:rules:$androidxTest_version"
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation "androidx.test.espresso:espresso-core:$espresso_version"
-    androidTestImplementation "androidx.test.espresso:espresso-contrib:$espresso_version"
-    androidTestImplementation "androidx.test.espresso:espresso-intents:$espresso_version"
-    androidTestImplementation "org.amshove.kluent:kluent-android:$kluent_version"
-    androidTestImplementation "androidx.arch.core:core-testing:$arch_version"
+    androidTestImplementation libs.androidx.testCore
+    androidTestImplementation libs.androidx.testRunner
+    androidTestImplementation libs.androidx.testRules
+    androidTestImplementation libs.androidx.junit
+    androidTestImplementation libs.androidx.espressoCore
+    androidTestImplementation libs.androidx.espressoContrib
+    androidTestImplementation libs.androidx.espressoIntents
+    androidTestImplementation libs.tests.kluent
+    androidTestImplementation libs.androidx.coreTesting
     // Plant Timber tree for test
-    androidTestImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
+    androidTestImplementation libs.tests.timberJunitRule
     // "The one who serves a great Espresso"
     androidTestImplementation('com.adevinta.android:barista:4.1.0') {
         exclude group: 'org.jetbrains.kotlin'