diff --git a/.github/workflows/acceptance_tests_cpython.yml b/.github/workflows/acceptance_tests_cpython.yml
index 578028f7270..8deea8b8aa6 100644
--- a/.github/workflows/acceptance_tests_cpython.yml
+++ b/.github/workflows/acceptance_tests_cpython.yml
@@ -38,7 +38,7 @@ jobs:
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup python for starting the tests
         uses: actions/setup-python@v2
diff --git a/.github/workflows/acceptance_tests_cpython_pr.yml b/.github/workflows/acceptance_tests_cpython_pr.yml
index a98ff304cf4..3d351517dfb 100644
--- a/.github/workflows/acceptance_tests_cpython_pr.yml
+++ b/.github/workflows/acceptance_tests_cpython_pr.yml
@@ -35,7 +35,7 @@ jobs:
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup python for starting the tests
         uses: actions/setup-python@v2
diff --git a/.github/workflows/acceptance_tests_jython.yml b/.github/workflows/acceptance_tests_jython.yml
index 3bcdd492df9..3606613c37d 100644
--- a/.github/workflows/acceptance_tests_jython.yml
+++ b/.github/workflows/acceptance_tests_jython.yml
@@ -32,7 +32,7 @@ jobs:
 
     name: Jython (Java ${{ matrix.java }}) ${{ matrix.jython-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup Python 3.6
         uses: actions/setup-python@v2
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 759327d762d..9ad86dfe03f 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -30,7 +30,7 @@ jobs:
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
@@ -75,7 +75,7 @@ jobs:
 
     name: Jython (Java ${{ matrix.java }}) ${{ matrix.jython-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup Java ${{ matrix.java }}
         uses: actions/setup-java@v2
@@ -117,7 +117,7 @@ jobs:
 
     name: IronPython ${{ matrix.ironpython-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup IronPython ${{ matrix.ironpython-version }}
         run: |
diff --git a/.github/workflows/unit_tests_pr.yml b/.github/workflows/unit_tests_pr.yml
index ec80b64d9d3..22b5680efdd 100644
--- a/.github/workflows/unit_tests_pr.yml
+++ b/.github/workflows/unit_tests_pr.yml
@@ -26,7 +26,7 @@ jobs:
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Setup python ${{ matrix.python-version }}
         uses: actions/setup-python@v2