diff --git a/sample/build.gradle b/sample/build.gradle
index 333e9fb..0dab7da 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -10,7 +10,7 @@ android {
 
     defaultConfig {
         applicationId "ru.semper_viventem.backdropview"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"