diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 32ba3478..3ad17fd3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: rustup update
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v2.2.2
         with:
           python-version: 3.8
       - run: python -m venv python/venv
@@ -77,7 +77,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v2.2.2
         with:
           python-version: 3.6
       - run: pip install 'maturin>=0.9.2,<0.10'
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index ac4d9ff5..900ad97e 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: rustup update
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v2.2.2
         with:
           python-version: 3.8
       - run: python -m venv python/venv
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fabfdb58..2b870f4f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -95,7 +95,7 @@ jobs:
         os: [ macos-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v2.2.2
         with:
           python-version: 3.6
       - run: pip install 'maturin>=0.9.2,<0.10'
@@ -124,7 +124,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: rustup update
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v2.2.2
         with:
           python-version: 3.8
       - run: python -m venv python/venv