diff --git a/.changes/unreleased/Fixed-20250523-132705.yaml b/.changes/unreleased/Fixed-20250523-132705.yaml
deleted file mode 100644
index bb6c9d7..0000000
--- a/.changes/unreleased/Fixed-20250523-132705.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-kind: Fixed
-body: Added `None` to `QueryResultsArgsType`
-time: 2025-05-23T13:27:05.7339672+02:00
-custom:
-    Author: rayakame
-    PR: "97"
diff --git a/.changes/v0.4.1.md b/.changes/v0.4.1.md
new file mode 100644
index 0000000..0c7fd7b
--- /dev/null
+++ b/.changes/v0.4.1.md
@@ -0,0 +1,3 @@
+## v0.4.1 - 2025-05-23
+### Fixed
+* [#97](https://github.com/rayakame/sqlc-gen-better-python/pull/97) Added `None` to `QueryResultsArgsType` ([rayakame](https://github.com/rayakame))
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8711eb6..5466a98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 
 
+## v0.4.1 - 2025-05-23
+### Fixed
+* [#97](https://github.com/rayakame/sqlc-gen-better-python/pull/97) Added `None` to `QueryResultsArgsType` ([rayakame](https://github.com/rayakame))
+
 ## v0.4.0 - 2025-05-21
 ### Added
 * [#59](https://github.com/rayakame/sqlc-gen-better-python/pull/59) Added hyperlink to github profile of contributors in the changelog ([rayakame](https://github.com/rayakame))
diff --git a/internal/core/config.go b/internal/core/config.go
index 6fc0a4c..b9930c5 100644
--- a/internal/core/config.go
+++ b/internal/core/config.go
@@ -6,7 +6,7 @@ import (
 	"github.com/sqlc-dev/plugin-sdk-go/plugin"
 )
 
-const PluginVersion = "v0.4.0"
+const PluginVersion = "v0.4.1"
 
 type Config struct {
 	Package                     string        `json:"package" yaml:"package"`