diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index ed36b8a..41d7092 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..d4d388e
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,23 @@
+name: Publish to PyPI
+
+on:
+  push:
+    branches: [ "release" ]
+  pull_request:
+    branches: [ "release" ]
+
+jobs:
+  pypi-publish:
+    name: upload release to PyPI
+    runs-on: ubuntu-latest
+    # Specifying a GitHub environment is optional, but strongly encouraged
+    environment: release
+    permissions:
+      # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
+    steps:
+      # retrieve your distributions here
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
\ No newline at end of file
diff --git a/setup.py b/setup.py
index bc9027b..6baa60a 100644
--- a/setup.py
+++ b/setup.py
@@ -4,12 +4,12 @@
 setup(
     name='PyTexturePacker',
     packages=find_packages(exclude=['docs', 'tests', 'test_image']),
-    version='1.1.0',
+    version='1.2.0',
     description='an package to create sprite sheets or sprite atlases',
     author='Quanyong Huang',
     author_email='quanyongh@foxmail.com',
     url='https://github.com/wo1fsea/PyTexturePacker',
-    download_url='https://github.com/wo1fsea/PyTexturePacker/releases/tag/v1.1.0',
+    download_url='https://github.com/wo1fsea/PyTexturePacker/releases/tag/v1.2.0',
     keywords=['TexturePacker', 'cocos2d-x', 'sprite-sheet', 'texture-pack'],
     license='MIT',
     install_requires=['Pillow'],
@@ -18,6 +18,11 @@
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Multimedia :: Graphics",
         "License :: OSI Approved :: MIT License",