diff --git a/packages/a2a/CHANGELOG.md b/packages/a2a/CHANGELOG.md
index c3b1459..8d60f3c 100644
--- a/packages/a2a/CHANGELOG.md
+++ b/packages/a2a/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 0.4.2-keycardai-a2a (2026-09-15)
+
 ## 0.4.1-keycardai-a2a (2026-09-15)
 
 
diff --git a/packages/a2a/pyproject.toml b/packages/a2a/pyproject.toml
index e805033..21cae2e 100644
--- a/packages/a2a/pyproject.toml
+++ b/packages/a2a/pyproject.toml
@@ -96,7 +96,7 @@ asyncio_default_fixture_loop_scope = "function"
 
 [tool.commitizen]
 name = "cz_customize"
-version = "0.4.1"
+version = "0.4.2"
 tag_format = "${version}-keycardai-a2a"
 ignored_tag_formats = ["${version}-*"]
 update_changelog_on_bump = true