diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fe9e8c..fd7cc6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 # CHANGELOG
+## 0.5.6
+- Support PayPal決済 [#63](https://github.com/t-k/gmo-payment-ruby/pull/63)
+- Support 銀行振込（バーチャル口座 あおぞら）[#64](https://github.com/t-k/gmo-payment-ruby/pull/64)
+- Update 送金サービス リンクタイプURL取得 [#65](https://github.com/t-k/gmo-payment-ruby/pull/65)
+- Update 送金サービス メール送金指示 [#66](https://github.com/t-k/gmo-payment-ruby/pull/66)
+
 ## 0.5.5
 - Enhanced encoding handling to prevent misjudgments during UTF-8 conversion [#57](https://github.com/t-k/gmo-payment-ruby/pull/57) (Thanks [@y-yagi](https://github.com/y-yagi))
 
diff --git a/lib/gmo/version.rb b/lib/gmo/version.rb
index 70b750d..37f56d5 100644
--- a/lib/gmo/version.rb
+++ b/lib/gmo/version.rb
@@ -1,3 +1,3 @@
 module GMO
-  VERSION = "0.5.5"
+  VERSION = "0.5.6"
 end