diff --git a/CHANGELOG.md b/CHANGELOG.md
index f723b09..99c19cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # ChangeLog
 
+- 2015/10/27 0.5.5 release.
+    - Fix #72.
+    - Fix #73.
 - 2015/10/12 0.5.4 release.
     - Add `AppRate.setAgreeShowDialog`.
 - 2015/08/11 0.5.3 release.
diff --git a/gradle.properties b/gradle.properties
index fec68b8..b3187a8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
-VERSION_NAME=0.5.4
-VERSION_CODE=25
+VERSION_NAME=0.5.5
+VERSION_CODE=26
 GROUP=com.github.hotchemi
 POM_DESCRIPTION=Library for Android applications, which provides rating dialog.
 POM_URL=https://github.com/hotchemi/Android-Rate