diff --git a/.travis.yml b/.travis.yml
index 0615af9..9eaa8d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,16 +7,16 @@ android:
     - platform-tools
     - tools
 
-    - build-tools-27.0.3
-    - android-27
+    - build-tools-28.0.3
+    - android-28
     - extra-m2-repository
-    - sys-img-armeabi-v7a-android-27
+    - sys-img-armeabi-v7a-android-28
 
 before_script:
   - mkdir "$ANDROID_HOME/licenses" || true
   - echo -e "\nd56f5187479451eabf01fb78af6dfcb131a6481e" > "$ANDROID_HOME/licenses/android-sdk-license"
   - touch empty.file
-  - gradle wrapper --gradle-version 4.1 -b empty.file
+  - gradle wrapper --gradle-version 4.6 -b empty.file
   - rm empty.file
 
 script:
diff --git a/app/build.gradle b/app/build.gradle
index 93300aa..0e0f467 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
     defaultConfig {
         applicationId "org.eu.exodus_privacy.exodusprivacy"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 5
         versionName "1.1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -30,13 +30,14 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:27.1.1'
-    compile 'com.android.support.constraint:constraint-layout:1.1.3'
-    compile 'com.android.support:design:27.1.1'
-    compile 'com.android.support:recyclerview-v7:27.1.1'
-    testCompile 'junit:junit:4.12'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:support-v4:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.android.support:recyclerview-v7:28.0.0'
+    testImplementation 'junit:junit:4.12'
 }
diff --git a/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/AppListFragment.java b/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/AppListFragment.java
index 479e801..fc77a82 100644
--- a/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/AppListFragment.java
+++ b/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/AppListFragment.java
@@ -161,8 +161,9 @@ public class AppListFragment extends Fragment {
         this.onAppClickListener = onAppClickListener;
     }
 
+
     @Override
-    public void onAttach(Context context) {
+    public void onAttach(Activity context) {
         super.onAttach(context);
         packageManager = context.getPackageManager();
     }
diff --git a/build.gradle b/build.gradle
index 4b0df51..3122dab 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4f8b8b4..35168c5 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
-#Sun Dec 03 16:44:03 CET 2017
+#Wed Jan 09 15:53:32 CET 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
-distributionSha256Sum=5c07b3bac2209fbc98fb1fdf6fd831f72429cdf8c503807404eae03d8c8099e5
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionSha256Sum=9af7345c199f1731c187c96d3fe3d31f5405192a42046bafa71d846c3d9adacb