diff --git a/.github/workflows/autoclose-labeled-issues.yml b/.github/workflows/autoclose-labeled-issues.yml
index 2d8173c07..21ef97d77 100644
--- a/.github/workflows/autoclose-labeled-issues.yml
+++ b/.github/workflows/autoclose-labeled-issues.yml
@@ -26,7 +26,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v7.0.1
 
       - name: Close inactive duplicate issues
         env:
diff --git a/.github/workflows/backfill-dedupe.yml b/.github/workflows/backfill-dedupe.yml
index 9518a3ee6..350550a0d 100644
--- a/.github/workflows/backfill-dedupe.yml
+++ b/.github/workflows/backfill-dedupe.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
 
       - name: Fetch issues and run dedupe
         env:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index ea0299491..eb8aca102 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v7.0.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index dcd70253c..45a7e7015 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v7.0.1
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/issue-dedupe.yml b/.github/workflows/issue-dedupe.yml
index 287570df4..eeec8612c 100644
--- a/.github/workflows/issue-dedupe.yml
+++ b/.github/workflows/issue-dedupe.yml
@@ -31,7 +31,7 @@ jobs:
        !endsWith(github.actor, '[bot]') &&
        github.actor != 'github-actions')
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
 
       - name: Determine issue number
         id: issue
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e96dc4cca..30a0c9d71 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -35,7 +35,7 @@ jobs:
     name: test py${{ matrix.python-version }}
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
       - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1  # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
@@ -51,7 +51,7 @@ jobs:
       id-token: write   # OIDC trusted publishing to PyPI
       contents: write   # create the GitHub Release
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
 
       - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1  # v6.3.0
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d8d9dbb38..cd44a20ee 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,7 +24,7 @@ jobs:
     name: py${{ matrix.python-version }} (${{ matrix.agent-frameworks }} frameworks)
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
       - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1  # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}