diff --git a/.github/workflows/code-format.yml b/.github/workflows/code-format.yml
index bd48287..8443b41 100644
--- a/.github/workflows/code-format.yml
+++ b/.github/workflows/code-format.yml
@@ -6,9 +6,10 @@ jobs:
     pr-lint:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v1
+            - uses: actions/checkout@v3.0.2
               name: Checkout
-            - uses: Ahuge/black-action@v1.0.3
+
+            - uses: Ahuge/black-action@v1.0.6
               env:
                 GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
                 BLACK_ARGS: "."
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 7360b80..0c4c149 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -17,7 +17,7 @@ jobs:
                 RELEASE_BODY=$(jq --raw-output '.release.body' $GITHUB_EVENT_PATH);
                 echo ::set-output name=upload-url::https://uploads.github.com/repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}/assets
                 echo ::set-output name=release-body::${RELEASE_BODY}
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v3.0.2
               name: Checkout
             - name: Setup python 2
               uses: actions/setup-python@v2