diff --git a/build.gradle b/build.gradle
index 488dbda..28a409d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ allprojects {
 ext {
     compileSdkVersion = 29
     targetSdkVersion = 29
-    minSdkVersion = 21
+    minSdkVersion = 29
     buildToolsVersion = "30.0.2"
     versionCode = 5
     versionName = "1.2"