diff --git a/gradle.properties b/gradle.properties
index c8f9ae05..fc751ab3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -15,7 +15,7 @@
 org.gradle.jvmargs=-Xmx2048M
 android.useAndroidX=true
 
-minSdkVersion=24
+minSdkVersion=21
 targetSdkVersion=28
 ndkVersion=22.1.7171670
 compileSdkVersion=30