diff --git a/README.md b/README.md
index 5dfd19ba8599a29327cf03283f42aa76fed66204..bd0fa629796b6dae027b2b320301aca3358b0c24 100644
--- a/README.md
+++ b/README.md
@@ -16,16 +16,16 @@ allprojects {
 
 dependencies {
     # required, enough for most devices.
-    compile 'tv.danmaku.ijk.media:ijkplayer-java:0.4.2.1'
-    compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.4.2.1'
+    compile 'tv.danmaku.ijk.media:ijkplayer-java:0.4.2.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.4.2.3'
 
     # Other ABIs: optional
-    compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.4.2.1'
-    compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.4.2.1'
-    compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.4.2.1'
+    compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.4.2.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.4.2.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.4.2.3'
 
     # ExoPlayer as IMediaPlayer: optional, experimental
-    compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.4.2.1'
+    compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.4.2.3'
 }
 ```
 - iOS
@@ -125,7 +125,7 @@ sudo dpkg-reconfigure dash
 ```
 git clone https://github.com/Bilibili/ijkplayer.git ijkplayer-android
 cd ijkplayer-android
-git checkout -B latest k0.4.2.1
+git checkout -B latest k0.4.2.3
 
 ./init-android.sh
 
@@ -165,7 +165,7 @@ cd ..
 ```
 git clone https://github.com/Bilibili/ijkplayer.git ijkplayer-ios
 cd ijkplayer-ios
-git checkout -B latest k0.4.2.1
+git checkout -B latest k0.4.2.3
 
 ./init-ios.sh
 
diff --git a/android/ijkplayer/build.gradle b/android/ijkplayer/build.gradle
index f53ff088dd1a09fe9398591cd6e406f296a32dda..d63c3ca7474b1d18478bf2c9f209649a69655854 100644
--- a/android/ijkplayer/build.gradle
+++ b/android/ijkplayer/build.gradle
@@ -26,10 +26,10 @@ ext {
 
     targetSdkVersion = 23
 
-    versionCode = 402002
-    versionName = "0.4.2.2"
+    versionCode = 402003
+    versionName = "0.4.2.3"
 }
 
 wrapper {
     gradleVersion = '2.6'
-}
\ No newline at end of file
+}
diff --git a/android/ijkplayer/gradle.properties b/android/ijkplayer/gradle.properties
index fa89ecd4e1d52fbc8e2f0dc5a2285602b6895690..72fe39c95e8f1ed54d5a6a21029cc9e72ffaf614 100644
--- a/android/ijkplayer/gradle.properties
+++ b/android/ijkplayer/gradle.properties
@@ -17,8 +17,8 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-VERSION_NAME=0.4.2.2
-VERSION_CODE=402002
+VERSION_NAME=0.4.2.3
+VERSION_CODE=402003
 GROUP=tv.danmaku.ijk.media
 
 # http://central.sonatype.org/pages/requirements.html
diff --git a/android/ijkplayer/ijkplayer-exo/build.gradle b/android/ijkplayer/ijkplayer-exo/build.gradle
index 6e84bd0f0bf572d77665f0ba823453f0fe0bd7fb..2910354b2e279fdc96a327164a9c46d395107b82 100644
--- a/android/ijkplayer/ijkplayer-exo/build.gradle
+++ b/android/ijkplayer/ijkplayer-exo/build.gradle
@@ -25,7 +25,7 @@ dependencies {
     compile 'com.google.android.exoplayer:exoplayer:r1.5.1'
 
     compile project(':ijkplayer-java')
-    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.4.2.2'
+    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.4.2.3'
 }
 
 // apply from: '../tools/gradle-mvn-push.gradle'