diff --git a/build.gradle b/build.gradle
index 1a92a14..7a49cf3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ allprojects {
         maven { url 'https://jitpack.io' }
     }
     ext {
-        globalMinSdkVersion = 19
+        globalMinSdkVersion = 21
         globalTargetSdkVersion = 34
         globalCompileSdkVersion = 34
     }