diff --git a/sample/build.gradle b/sample/build.gradle
index 43a5ce0..9b01396 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -10,7 +10,7 @@ android {
         applicationId "com.github.guilhe.cicularprogressview.sample"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 8
+        versionCode 9
         versionName "2.0.0"
     }