diff --git a/README.md b/README.md
index cf4145a..7080467 100644
--- a/README.md
+++ b/README.md
@@ -152,7 +152,7 @@ add `xmlns:app="http://schemas.android.com/apk/res-auto"`
 
 Add the dependency in your `build.gradle`
 
-```groovy
+```gradle
 buildscript {
     repositories {
         jcenter()
@@ -160,7 +160,7 @@ buildscript {
 }
 
 dependencies {
-    compile 'com.shawnlin:number-picker:2.4.6'
+    compile 'com.shawnlin:number-picker:2.4.7'
 }
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 6f1d7ea..d7e8fd2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
-VERSION_CODE=14
-VERSION_NAME=2.4.6
+VERSION_CODE=15
+VERSION_NAME=2.4.7
 
 GROUP_ID=com.shawnlin
 ARTIFACT_ID=number-picker
diff --git a/screenshot/number-picker-theme.png b/screenshot/number-picker-theme.png
index ab872d1..18b0204 100644
Binary files a/screenshot/number-picker-theme.png and b/screenshot/number-picker-theme.png differ