diff --git a/.github/workflows/bootstrap.yml b/.github/workflows/bootstrap.yml
index ac2215a76856d9..255b1f29db789c 100644
--- a/.github/workflows/bootstrap.yml
+++ b/.github/workflows/bootstrap.yml
@@ -127,7 +127,7 @@ jobs:
         run: |
           brew install tree
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4.1.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Bootstrap clingo
@@ -145,7 +145,7 @@ jobs:
         python-version: ['2.7', '3.5', '3.6', '3.7', '3.8', '3.9']
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4.1.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Setup repo and non-root user
diff --git a/.github/workflows/macos_python.yml b/.github/workflows/macos_python.yml
index 90e6fb44bd6b0c..d9ee0237909ffa 100644
--- a/.github/workflows/macos_python.yml
+++ b/.github/workflows/macos_python.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: spack install
@@ -40,7 +40,7 @@ jobs:
     timeout-minutes: 700
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: spack install
@@ -53,7 +53,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: spack install
@@ -68,7 +68,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: spack install
diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml
index b6a3d5893498c0..d73ac143b56c1c 100644
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: Install Python Packages
@@ -34,7 +34,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: Install Python packages
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: Install System packages
@@ -122,7 +122,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install System packages
@@ -183,7 +183,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: Install System packages
@@ -280,7 +280,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: 3.9
     - name: Install System packages
@@ -329,7 +329,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4.1.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install Python packages