diff --git a/app/build.gradle b/app/build.gradle
index a4718227a..922d9ed27 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -86,7 +86,7 @@ project.tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
     }
 }
 
-ext.daggerVersion = '2.23.1'
+ext.daggerVersion = '2.23.2'
 ext.retrofitVersion = '2.6.0'
 
 // if libraries are changed here, they should also be changed in LicenseActivity
@@ -106,8 +106,8 @@ dependencies {
     implementation "com.squareup.retrofit2:retrofit:$retrofitVersion"
     implementation "com.squareup.retrofit2:converter-gson:$retrofitVersion"
     implementation "com.squareup.retrofit2:adapter-rxjava2:$retrofitVersion"
-    implementation 'com.squareup.okhttp3:okhttp:3.14.2'
-    implementation 'com.squareup.okhttp3:logging-interceptor:3.14.2'
+    implementation 'com.squareup.okhttp3:okhttp:4.0.1'
+    implementation 'com.squareup.okhttp3:logging-interceptor:4.0.1'
     implementation 'org.conscrypt:conscrypt-android:2.1.0'
     implementation 'com.github.connyduck:sparkbutton:2.0.0'
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
@@ -144,7 +144,7 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     testImplementation 'androidx.test.ext:junit:1.1.1'
     debugImplementation 'im.dino:dbinspector:3.4.1@aar'
-    implementation 'io.reactivex.rxjava2:rxjava:2.2.9'
+    implementation 'io.reactivex.rxjava2:rxjava:2.2.10'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
     implementation 'io.reactivex.rxjava2:rxkotlin:2.3.0'
     implementation 'com.uber.autodispose:autodispose-android-archcomponents:1.3.0'
diff --git a/app/src/main/java/com/keylesspalace/tusky/di/NetworkModule.kt b/app/src/main/java/com/keylesspalace/tusky/di/NetworkModule.kt
index bdbe70493..26309be57 100644
--- a/app/src/main/java/com/keylesspalace/tusky/di/NetworkModule.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/di/NetworkModule.kt
@@ -77,7 +77,7 @@ class NetworkModule {
                 .apply {
                     addInterceptor(InstanceSwitchAuthInterceptor(accountManager))
                     if (BuildConfig.DEBUG) {
-                        addInterceptor(HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BASIC))
+                        addInterceptor(HttpLoggingInterceptor().apply { level = HttpLoggingInterceptor.Level.BASIC })
                     }
                 }
                 .build()
diff --git a/app/src/main/java/com/keylesspalace/tusky/viewmodel/EditProfileViewModel.kt b/app/src/main/java/com/keylesspalace/tusky/viewmodel/EditProfileViewModel.kt
index 40f2b2426..d9c9274b2 100644
--- a/app/src/main/java/com/keylesspalace/tusky/viewmodel/EditProfileViewModel.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/viewmodel/EditProfileViewModel.kt
@@ -34,7 +34,9 @@ import io.reactivex.Single
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.rxkotlin.addTo
 import io.reactivex.schedulers.Schedulers
-import okhttp3.MediaType
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.RequestBody.Companion.asRequestBody
+import okhttp3.RequestBody.Companion.toRequestBody
 import okhttp3.MultipartBody
 import okhttp3.RequestBody
 import org.json.JSONException
@@ -144,30 +146,30 @@ class EditProfileViewModel  @Inject constructor(
         val displayName = if (oldProfileData?.displayName == newDisplayName) {
             null
         } else {
-            RequestBody.create(MultipartBody.FORM, newDisplayName)
+            newDisplayName.toRequestBody(MultipartBody.FORM)
         }
 
         val note = if (oldProfileData?.source?.note == newNote) {
             null
         } else {
-            RequestBody.create(MultipartBody.FORM, newNote)
+            newNote.toRequestBody(MultipartBody.FORM)
         }
 
         val locked = if (oldProfileData?.locked == newLocked) {
             null
         } else {
-            RequestBody.create(MultipartBody.FORM, newLocked.toString())
+            newLocked.toString().toRequestBody(MultipartBody.FORM)
         }
 
         val avatar = if (avatarData.value is Success && avatarData.value?.data != null) {
-            val avatarBody = RequestBody.create(MediaType.parse("image/png"), getCacheFileForName(context, AVATAR_FILE_NAME))
+            val avatarBody = getCacheFileForName(context, AVATAR_FILE_NAME).asRequestBody("image/png".toMediaTypeOrNull())
             MultipartBody.Part.createFormData("avatar", randomAlphanumericString(12), avatarBody)
         } else {
             null
         }
 
         val header = if (headerData.value is Success && headerData.value?.data != null) {
-            val headerBody = RequestBody.create(MediaType.parse("image/png"), getCacheFileForName(context, HEADER_FILE_NAME))
+            val headerBody = getCacheFileForName(context, HEADER_FILE_NAME).asRequestBody("image/png".toMediaTypeOrNull())
             MultipartBody.Part.createFormData("header", randomAlphanumericString(12), headerBody)
         } else {
             null
@@ -235,8 +237,8 @@ class EditProfileViewModel  @Inject constructor(
             return null
         }
         return Pair(
-                RequestBody.create(MultipartBody.FORM, newField.name),
-                RequestBody.create(MultipartBody.FORM, newField.value)
+                newField.name.toRequestBody(MultipartBody.FORM),
+                newField.value.toRequestBody(MultipartBody.FORM)
         )
     }
 
diff --git a/build.gradle b/build.gradle
index 4cacf52c4..b3360fa01 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,14 +1,14 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.31'
+    ext.kotlin_version = '1.3.41'
     repositories {
         jcenter()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta04'
-        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath 'com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta05'
+        classpath 'com.android.tools.build:gradle:3.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }