diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3acab4..aa8e0f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Change log
 
-## master
+## 0.6.0 (2019-08-19)
 
-- **Ruby 2.4+** is required. 
+- **Ruby 2.4+** is required.
 
 - Fix Rails 6 compatibility. ([@palkan][])
 
diff --git a/lib/action_cable/testing/version.rb b/lib/action_cable/testing/version.rb
index 4b2ae11..e31a4ad 100644
--- a/lib/action_cable/testing/version.rb
+++ b/lib/action_cable/testing/version.rb
@@ -2,6 +2,6 @@
 
 module ActionCable
   module Testing
-    VERSION = "0.5.0"
+    VERSION = "0.6.0"
   end
 end