diff --git a/gradle.properties b/gradle.properties
index e5be4fe..1b90c4a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ kotlin_serialisation_core_version=1.0.1
 
 # ANDROID
 
-android_minSdkVersion=19
+android_minSdkVersion=21
 android_compileSdkVersion=30
 android_buildToolsVersion=30.0.2
 dexcount_version=2.0.0