diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cd975acb..61c08f11 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -55,7 +55,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Python
-        uses: actions/setup-python@v2.3.2
+        uses: actions/setup-python@v4.5.0
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -98,7 +98,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python
-      uses: actions/setup-python@v2.3.2
+      uses: actions/setup-python@v4.5.0
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -145,7 +145,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v2.3.2
+        uses: actions/setup-python@v4.5.0
         with:
           python-version: '3.x'
 
@@ -262,7 +262,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v2.3.2
+      - uses: actions/setup-python@v4.5.0
         with:
           python-version: "3.9"