diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bd7a79fb..d017dc2b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,11 +22,11 @@ jobs:
         run: rm -rf mmd_tools/typings
 
       - name: Create a zip
-        run: zip -r -9 mmd_tools-${GITHUB_REF_NAME}.zip mmd_tools/
+        run: (cd mmd_tools && find . -type f ! -path "*/.*" ! -path "*/__pycache__/*" -print | zip -9r "../mmd_tools-${GITHUB_REF_NAME}.zip" -@)
 
       - name: Create a Release
         id: create_release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           name: Release ${{ github.ref_name }}
           tag_name: ${{ github.ref_name }}
diff --git a/mmd_tools/__init__.py b/mmd_tools/__init__.py
index 2b613fa7..026658ea 100644
--- a/mmd_tools/__init__.py
+++ b/mmd_tools/__init__.py
@@ -15,33 +15,21 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-
-bl_info = {
-    "name": "mmd_tools",
-    "author": "sugiany",
-    "version": (4, 2, 2),
-    "blender": (4, 2, 0),
-    "location": "View3D > Sidebar > MMD Panel",
-    "description": "Utility tools for MMD model editing. (UuuNyaa's forked version)",
-    "warning": "",
-    "doc_url": "https://mmd-blender.fandom.com/wiki/MMD_Tools",
-    "wiki_url": "https://mmd-blender.fandom.com/wiki/MMD_Tools",
-    "tracker_url": "https://github.com/UuuNyaa/blender_mmd_tools/issues",
-    "support": "COMMUNITY",
-    "category": "Object",
-}
-
-MMD_TOOLS_VERSION = ".".join(map(str, bl_info["version"]))
-
 import os
 
-PACKAGE_PATH = os.path.dirname(__file__)
 PACKAGE_NAME = __package__
+PACKAGE_PATH = os.path.dirname(__file__)
+
+with open(os.path.join(PACKAGE_PATH, "blender_manifest.toml"), "rb") as f:
+    import tomllib
+
+    manifest = tomllib.load(f)
+    MMD_TOOLS_VERSION = manifest["version"]
 
 
 from . import auto_load
 
-auto_load.init()
+auto_load.init(PACKAGE_NAME)
 
 
 def register():
@@ -54,7 +42,7 @@ def register():
     # pylint: disable=import-outside-toplevel
     from .m17n import translation_dict
 
-    bpy.app.translations.register(bl_info["name"], translation_dict)
+    bpy.app.translations.register(PACKAGE_NAME, translation_dict)
 
     handlers.MMDHanders.register()
 
@@ -66,7 +54,7 @@ def unregister():
 
     handlers.MMDHanders.unregister()
 
-    bpy.app.translations.unregister(bl_info["name"])
+    bpy.app.translations.unregister(PACKAGE_NAME)
 
     auto_load.unregister()
 
diff --git a/mmd_tools/auto_load.py b/mmd_tools/auto_load.py
index 72254c06..88e04deb 100644
--- a/mmd_tools/auto_load.py
+++ b/mmd_tools/auto_load.py
@@ -18,11 +18,11 @@
 modules = None
 ordered_classes = None
 
-def init():
+def init(package_name):
     global modules
     global ordered_classes
 
-    modules = get_all_submodules(Path(__file__).parent)
+    modules = get_all_submodules(Path(__file__).parent, package_name)
     ordered_classes = get_ordered_classes_to_register(modules)
 
 def register():
@@ -49,8 +49,8 @@ def unregister():
 # Import modules
 #################################################
 
-def get_all_submodules(directory):
-    return list(iter_submodules(directory, directory.name))
+def get_all_submodules(directory, package_name):
+    return list(iter_submodules(directory, package_name))
 
 def iter_submodules(path, package_name):
     for name in sorted(iter_submodule_names(path)):