diff --git a/colorpicker/build.gradle b/colorpicker/build.gradle
index 23300382a6..5a6c31d67c 100644
--- a/colorpicker/build.gradle
+++ b/colorpicker/build.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-	compileSdkVersion 29
-	buildToolsVersion "29.0.0"
 	namespace 'com.flask.colorpicker'
 
 	defaultConfig {
-		minSdkVersion 14
-		targetSdkVersion 29
+		compileSdk 34
+		minSdkVersion 21
+		targetSdkVersion 34
 		versionCode 17
 		versionName "0.0.15"
 	}
diff --git a/openpgp-api/build.gradle b/openpgp-api/build.gradle
index 7abad1dbc2..1313dc0b80 100644
--- a/openpgp-api/build.gradle
+++ b/openpgp-api/build.gradle
@@ -2,15 +2,14 @@ apply plugin: 'com.android.library'
 //apply plugin: 'bintray-release' // must be applied after your artifact generating plugin (eg. java / com.android.library)
 
 android {
-    compileSdkVersion 29
-    //buildToolsVersion '27.0.3'
     namespace 'org.openintents.openpgp'
 
     defaultConfig {
+        compileSdk 34
+        minSdkVersion 21
+        targetSdkVersion 34
         versionCode 9
         versionName '12.0' // API-Version . minor
-        minSdkVersion 9
-        targetSdkVersion 29
     }
 
     // Do not abort build if lint finds errors