diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5a1fd6190..f4641aee2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.28.0"
+  ".": "2.28.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d315621d..0faade9ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [2.28.1](https://github.com/saturday06/VRM-Addon-for-Blender/compare/v2.28.0...v2.28.1) (2024-11-21)
+
+
+### 🐞 Bug Fixes
+
+* incorrect mtoon1 to mtoon0 color conversion ([774457d](https://github.com/saturday06/VRM-Addon-for-Blender/commit/774457d075bc7ce6f9b93c06888182f633c93dc8))
+* remove unnecessary .blend link ([d55bb32](https://github.com/saturday06/VRM-Addon-for-Blender/commit/d55bb322dee5aae67638642d2790ae23c3a41a9e))
+
 ## [2.28.0](https://github.com/saturday06/VRM-Addon-for-Blender/compare/v2.27.0...v2.28.0) (2024-11-14)
 
 
diff --git a/extension.patch b/extension.patch
index cf7770726..185d329d1 100644
--- a/extension.patch
+++ b/extension.patch
@@ -35,7 +35,7 @@ index 46364128..088fe7c3 100644
 -    "version": (
 -        2,  # x-release-please-major
 -        28,  # x-release-please-minor
--        0,  # x-release-please-patch
+-        1,  # x-release-please-patch
 -    ),
 -    "location": "File > Import-Export",
 -    "description": "Import-Edit-Export VRM",
diff --git a/src/io_scene_vrm/__init__.py b/src/io_scene_vrm/__init__.py
index ebfd477c2..b59770143 100644
--- a/src/io_scene_vrm/__init__.py
+++ b/src/io_scene_vrm/__init__.py
@@ -18,7 +18,7 @@
     "version": (
         2,  # x-release-please-major
         28,  # x-release-please-minor
-        0,  # x-release-please-patch
+        1,  # x-release-please-patch
     ),
     "location": "File > Import-Export",
     "description": "Import-Edit-Export VRM",
diff --git a/src/io_scene_vrm/blender_manifest.toml b/src/io_scene_vrm/blender_manifest.toml
index 9078154f6..4856dfef1 100644
--- a/src/io_scene_vrm/blender_manifest.toml
+++ b/src/io_scene_vrm/blender_manifest.toml
@@ -1,7 +1,7 @@
 schema_version = "1.0.0"
 
 id = "vrm"
-version = "2.28.0"
+version = "2.28.1"
 name = "VRM format"
 tagline = "VRM import, export and editing capabilities"
 maintainer = "Isamu Mogi <dyob@lunaport.net>"
diff --git a/tests/test_common.py b/tests/test_common.py
index 37954772f..5eecec167 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -20,7 +20,7 @@ def test_version(self) -> None:
             (
                 2,  # x-release-please-major
                 28,  # x-release-please-minor
-                0,  # x-release-please-patch
+                1,  # x-release-please-patch
             ),
         )