diff --git a/android/app/build.gradle b/android/app/build.gradle
index 7551c3f..905ffcc 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -51,7 +51,7 @@ android {
         applicationId "cafe.caras.prasule"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName