diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1589c8d..aba559f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.2.1 (2023-07-13)
+
+- Add retry logic to open v4l2 Video device.
+
 ## 2.2.0 (2022-11-04)
 
 - Fix a bug: actfw doesn't raise assertion error when it is stopped before `update_image` is called.
diff --git a/pyproject.toml b/pyproject.toml
index 8da173a..642c503 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ license = "MIT"
 name = "actfw-core"
 readme = "README.md"
 repository = "https://github.com/Idein/actfw-core"
-version = "2.2.0"
+version = "2.2.1"
 
 [tool.poetry.dependencies]
 python = "^3.6.2"