diff --git a/owncloudComLibrary/build.gradle b/owncloudComLibrary/build.gradle
index 97a1bbae..4a16b6ba 100644
--- a/owncloudComLibrary/build.gradle
+++ b/owncloudComLibrary/build.gradle
@@ -23,11 +23,11 @@ allOpen {
 }
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 29
 
         versionCode = 10000500
         versionName = "1.0.5"
diff --git a/sample_client/build.gradle b/sample_client/build.gradle
index 4d0c1d4b..d3112b7a 100644
--- a/sample_client/build.gradle
+++ b/sample_client/build.gradle
@@ -5,11 +5,11 @@ dependencies {
 }
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 29
 
         // This is pretty ugly but manifest placeholders don't seem to work very well when using different modules
         // See https://github.com/openid/AppAuth-Android/issues/325