diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d90dda7..305ed63 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,9 +12,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.x"
       - name: Build
@@ -24,7 +24,7 @@ jobs:
           pip install -U pip setuptools wheel build
           python -m build
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: build-artifacts
           path: ./dist
@@ -40,7 +40,7 @@ jobs:
       id-token: write
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-artifacts
           path: ./dist
@@ -59,7 +59,7 @@ jobs:
       id-token: write
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-artifacts
           path: ./dist
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0c329a2..0442eea 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,8 +2,7 @@ name: Test
 
 on:
   push:
-    branches-ignore:
-      - main
+    branches-ignore: [main]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
@@ -14,11 +13,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.x"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.x"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Build
diff --git a/ppslack/__version__.py b/ppslack/__version__.py
index 3e0182e..88c513e 100644
--- a/ppslack/__version__.py
+++ b/ppslack/__version__.py
@@ -1 +1 @@
-__version__ = "3.2.6"
+__version__ = "3.3.0"
diff --git a/ppslack/main.py b/ppslack/main.py
index 7f1a21b..908bfe1 100644
--- a/ppslack/main.py
+++ b/ppslack/main.py
@@ -75,4 +75,4 @@ def main():
         )
     except Exception as e:
         log.critical(e)
-        sys.exit(1)
+        sys.exit(0)
diff --git a/ppslack/slack.py b/ppslack/slack.py
index 6b8bded..30e4c5c 100755
--- a/ppslack/slack.py
+++ b/ppslack/slack.py
@@ -26,7 +26,7 @@
 log = logging.getLogger(__name__)
 
 
-class Slack(object):
+class Slack:
     def __init__(self):
         try:
             self._config = Config('ppslack')
diff --git a/requirements.txt b/requirements.txt
index 9cb3212..f149d25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pplogger
 ppconfig
-slack_sdk
\ No newline at end of file
+slack_sdk