diff --git a/build.gradle b/build.gradle
index 74ad0c5..18dc170 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,12 +4,14 @@ buildscript {
 
     repositories {
         google()
+        mavenCentral()
+        //noinspection JcenterRepositoryObsolete
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -19,6 +21,8 @@ buildscript {
 allprojects {
     repositories {
         google()
+        mavenCentral()
+        //noinspection JcenterRepositoryObsolete
         jcenter()
         maven { url 'https://jitpack.io' }
     }
@@ -30,21 +34,21 @@ task clean(type: Delete) {
 
 ext {
     minSdkVersion = 16
-    targetSdkVersion = 29
-    compileSdkVersion = 29
+    targetSdkVersion = 30
+    compileSdkVersion = 30
 
     versionCode = 19
     versionName = "2.0.0"
-    appcompatVersioon = '1.2.0'
-    materialVersioon = '1.2.1'
+    appcompatVersioon = '1.3.1'
+    materialVersioon = '1.3.0'
     lifecycleVersion = '2.2.0'
     pagingVersion = '2.1.2'
-    roomVersion = '2.2.6'
-    abpVersion = '1.1.1'
+    roomVersion = '2.3.0'
     timberVersion = '4.7.1'
     injectVersion = '1'
 
     //test
-    truthVersion = '1.0.1'
+    truthVersion = '1.1.3'
+    junit = '4.13.2'
 
 }
\ No newline at end of file
diff --git a/sample/build.gradle b/sample/build.gradle
index bacf2e0..1182bb4 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -40,6 +40,6 @@ dependencies {
     implementation "com.jakewharton.timber:timber:$timberVersion"
     implementation "androidx.appcompat:appcompat:$appcompatVersioon"
 
-    testImplementation 'junit:junit:4.13.1'
+    testImplementation "junit:junit:$junit"
     testImplementation "com.google.truth:truth:$truthVersion"
 }
diff --git a/wood/build.gradle b/wood/build.gradle
index 3cc6f4c..e4e02b1 100644
--- a/wood/build.gradle
+++ b/wood/build.gradle
@@ -52,16 +52,18 @@ dependencies {
 
     api "javax.inject:javax.inject:$injectVersion"
     api "com.jakewharton.timber:timber:$timberVersion"
+    //noinspection GradleDependency
     api "com.google.android.material:material:$materialVersioon"
     api "androidx.appcompat:appcompat:$appcompatVersioon"
     api "androidx.room:room-runtime:$roomVersion"
+    //noinspection GradleDependency
     api "androidx.paging:paging-runtime:$pagingVersion"
     api "androidx.lifecycle:lifecycle-extensions:$lifecycleVersion"
 
 
     annotationProcessor "androidx.room:room-compiler:$roomVersion"
 
-    testImplementation 'junit:junit:4.13.1'
+    testImplementation "junit:junit:$junit"
     testImplementation "com.google.truth:truth:$truthVersion"
 }