diff --git a/app/build.gradle b/app/build.gradle
index caa4c1d..4cff13e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -85,23 +85,23 @@ android {
 
 dependencies {
     // Testing
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-beta02'
-    androidTestImplementation 'androidx.test:runner:1.1.0-beta02'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0-beta01'
+    androidTestImplementation 'androidx.test:runner:1.2.0-beta01'
     // Espresso-contrib for DatePicker, RecyclerView, Drawer actions, Accessibility checks, CountingIdlingResource
-    androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.1.0-beta02'
+    androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.2.0-beta01'
     // Espresso-intents for validation and stubbing of Intents
-    androidTestImplementation 'androidx.test.espresso:espresso-intents:3.1.0-beta02'
+    androidTestImplementation 'androidx.test.espresso:espresso-intents:3.2.0-beta01'
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     // Android Support
     implementation "androidx.appcompat:appcompat:$androidx_version"
-    implementation "com.google.android.material:material:$android_version"
-    implementation "androidx.recyclerview:recyclerview:$android_version"
+    implementation "com.google.android.material:material:1.1.0-alpha06"
+    implementation "androidx.recyclerview:recyclerview:1.1.0-alpha05"
     implementation "androidx.legacy:legacy-support-v4:$android_version"
-    implementation "androidx.vectordrawable:vectordrawable:$android_version"
+    implementation "androidx.vectordrawable:vectordrawable:1.1.0-beta01"
     implementation "androidx.browser:browser:$android_version"
     implementation "androidx.cardview:cardview:$android_version"
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha4'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha5'
 
     //multidex
     implementation 'androidx.multidex:multidex:2.0.1'
@@ -127,7 +127,7 @@ dependencies {
     implementation 'com.github.bumptech.glide:okhttp3-integration:4.1.1'
 
     // Drawer
-    implementation 'co.zsmb:materialdrawer-kt:2.0.1'
+    implementation 'co.zsmb:materialdrawer-kt:2.0.2'
 
     // Themes
     implementation 'com.52inc:scoops:1.0.0'
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
index e2b2fc2..3b599fe 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
@@ -211,7 +211,7 @@ class ReaderActivity : AppCompatActivity() {
         }
     }
 
-    override fun onSaveInstanceState(oldInstanceState: Bundle?) {
+    override fun onSaveInstanceState(oldInstanceState: Bundle) {
         super.onSaveInstanceState(oldInstanceState)
         oldInstanceState!!.clear()
     }
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 479f43f..59ab7c7 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -5,14 +5,14 @@
     <color name="colorAccent">#FFff5722</color>
     <color name="colorAccentDark">#FFbf360c</color>
     <color name="pink">#FFe91e63</color>
-    <color name="white">#FFFFFFFF</color>
-    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFF</color>
+    <color name="black">#000000</color>
     <color name="refresh_progress_1">@color/colorAccentDark</color>
     <color name="refresh_progress_2">@color/colorAccent</color>
     <color name="refresh_progress_3">@color/pink</color>
     <color name="background_grey">#FFe4e4e4</color>
 
-    <color name="dark_webview">#FF303030</color>
+    <color name="dark_webview">#303030</color>
     <color name="dark_webview_text">#FFFFFF</color>
     <color name="light_webview">#FAFAFA</color>
     <color name="light_webview_text">#212121</color>
diff --git a/build.gradle b/build.gradle
index b42660c..0ce1753 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,10 +4,10 @@ buildscript {
     ext {
         kotlin_version = '1.3.31'
         android_version = '1.0.0'
-        androidx_version = '1.0.2'
+        androidx_version = '1.1.0-alpha05'
         lifecycle_version = '2.2.0-alpha01'
         room_version = '2.1.0-beta01'
-        work_version = "1.0.1-rc01"
+        work_version = '1.0.1'
     }
     repositories {
         google()