diff --git a/build.gradle b/build.gradle
index 8f37eaa3d..d5b26c362 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ ext {
 
     COMPILE_SDK = 33
     TARGET_SDK  = 31
-    MINIMUM_SDK = 19
+    MINIMUM_SDK = 21
 
     JAVA_VERSION = JavaVersion.VERSION_1_8
 }