diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c4a572d..1f60d985 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## 1.3
 
+### 1.3.0.rc2
+
+- Pass `coder` as keyword argument to `serialize` (ActiveRecord version > 3.2)
+  ([#617](https://github.com/shioyama/mobility/pull/617))
+
 ### 1.3.0.rc1
 
 This version includes potentially breaking chnages for jsonb and hstore
diff --git a/README.md b/README.md
index e23859b0..ec23524b 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ Installation
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'mobility', '~> 1.3.0.rc1'
+gem 'mobility', '~> 1.3.0.rc2'
 ```
 
 ### ActiveRecord (Rails)
diff --git a/lib/mobility/version.rb b/lib/mobility/version.rb
index f54783a9..ee567660 100644
--- a/lib/mobility/version.rb
+++ b/lib/mobility/version.rb
@@ -9,7 +9,7 @@ module VERSION
     MAJOR = 1
     MINOR = 3
     TINY = 0
-    PRE = "rc1"
+    PRE = "rc2"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end