diff --git a/ChangeLog.md b/ChangeLog.md
index 8191241..7f52af3 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,9 @@
+## Release 1.0.0 - 2018/08/17
+
+* [maintenance] Update recommended plugins [#226](https://github.com/fluent/fluentd-ui/pull/226)
+* [improvement] Support relative path [#255](https://github.com/fluent/fluentd-ui/pull/255)
+* [maintenance] Use test-unit-rails [#254](https://github.com/fluent/fluentd-ui/pull/254)
+
 ## Release 1.0.0.beta.1 - 2018/07/19
 
 * [maintenance] Introduce ESLint [#249](https://github.com/fluent/fluentd-ui/pull/249)
diff --git a/Gemfile.lock b/Gemfile.lock
index ed0626b..4e2cb37 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    fluentd-ui (1.0.0.beta.1)
+    fluentd-ui (1.0.0)
       addressable
       bootsnap (>= 1.1.0)
       bundler
diff --git a/lib/fluentd-ui/version.rb b/lib/fluentd-ui/version.rb
index c619946..63c471a 100644
--- a/lib/fluentd-ui/version.rb
+++ b/lib/fluentd-ui/version.rb
@@ -1,3 +1,3 @@
 module FluentdUI
-  VERSION = "1.0.0.beta.1"
+  VERSION = "1.0.0"
 end