diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d281d52..9e73c88d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 0.7.1
+- release stable version
+
 # 0.7.1
 - upgrade dependencies
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 62d5650d..b7de320e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: edax_runner
-version: 0.7.1
+version: 1.0.0
 description: tiny tool for edax-reversi auto learning
 author: Naoki Shimizu
 homepage: https://github.com/sensuikan1973/edax_runner