diff --git a/build.gradle b/build.gradle
index 2472fcb..e68d474 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ if(hasProperty('target') && target == 'android') {
         compileSdkVersion 33
         buildToolsVersion '30.0.3'
         defaultConfig {
-            minSdkVersion 24
+            minSdkVersion 21
             targetSdkVersion 33
             multiDexEnabled true