diff --git a/CHANGELOG.md b/CHANGELOG.md
index b54cd63..5ee5a85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.2.1 (2017-09-12)
+==================
+- [Enhancement] Support type conversion from floating point numbers to integers
+  - https://github.com/civitaspo/embulk-filter-expand_json/pull/33
+
 0.2.0 (2017-07-14)
 ==================
 - [Incompatible Change]: Remove `time_zone` option, use `default_timezone` instead and column-based timezone.
diff --git a/build.gradle b/build.gradle
index c8ceab8..8312ccd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ configurations {
     provided
 }
 
-version = "0.2.0"
+version = "0.2.1"
 sourceCompatibility = 1.7
 targetCompatibility = 1.7