diff --git a/build.gradle b/build.gradle
index f29ac41..baca77e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ allprojects {
 // Define versions in a single place
 ext {
     // Sdk and tools
-    minSdkVersion = 19
+    minSdkVersion = 21
     targetSdkVersion = 29
     compileSdkVersion = 29