diff --git a/circularanim/build.gradle b/circularanim/build.gradle
index 951e27b..d27ed13 100644
--- a/circularanim/build.gradle
+++ b/circularanim/build.gradle
@@ -5,13 +5,13 @@ group='com.github.XunMengWinter'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '27.0.3'
+    buildToolsVersion '26.0.3'
 
     defaultConfig {
         minSdkVersion 9
         targetSdkVersion 27
-        versionCode 9
-        versionName "0.4.2"
+        versionCode 10
+        versionName "0.4.3"
     }
     buildTypes {
         release {