diff --git a/ChangeLogLib/build.gradle b/ChangeLogLib/build.gradle
index 88de1d2..51f841c 100644
--- a/ChangeLogLib/build.gradle
+++ b/ChangeLogLib/build.gradle
@@ -8,7 +8,7 @@ android {
     namespace 'info.hannes'
     defaultConfig {
 
-        minSdkVersion 19
+        minSdkVersion 21
         compileSdk 34
         project.archivesBaseName = "ChangeLog"
     }
diff --git a/app/build.gradle b/app/build.gradle
index 181db31..2fa7740 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,7 +8,7 @@ android {
         versionName "1.0"
 
         compileSdk 34
-        minSdkVersion 19
+        minSdkVersion 21
         targetSdkVersion 34
     }
     packagingOptions {