diff --git a/build.gradle b/build.gradle
index c4b10288..3f14bc26 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ buildscript {
 
     ext.androidBuildVersionTools = "29.0.3"
 
-    ext.androidMinSdk = 14
+    ext.androidMinSdk = 21
     ext.androidTargetSdk = 29
     ext.androidCompileSdk = 29