diff --git a/release_note_en.md b/release_note_en.md
index 658ceae..33c0494 100644
--- a/release_note_en.md
+++ b/release_note_en.md
@@ -1,3 +1,7 @@
+v0.6.1
+======
+Jun 9, 2025
+
 - Dependency: Bump gmnlisp to [v0.7.14]
 
 [v0.7.14]: https://github.com/hymkor/gmnlisp/releases/tag/v0.7.14
diff --git a/release_note_ja.md b/release_note_ja.md
index 96a9d83..725296d 100644
--- a/release_note_ja.md
+++ b/release_note_ja.md
@@ -1,3 +1,7 @@
+v0.6.1
+======
+Jun 9, 2025
+
 - gmnlisp を [v0.7.14] へ更新
 
 [v0.7.14]: https://github.com/hymkor/gmnlisp/releases/tag/v0.7.14