diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a504eccc5b..9b3b2fd04c 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/cohabitation-test.yml b/.github/workflows/cohabitation-test.yml
index b229eff3f1..f954ef225f 100644
--- a/.github/workflows/cohabitation-test.yml
+++ b/.github/workflows/cohabitation-test.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 30
 
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python 3.11
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9d0f73da60..04bcbf53d0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 10
 
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
     - name: Set up Python
       uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
       with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index fa1f2856cd..66fbe0adcc 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: "Checkout repository"
-        uses: "actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608"
+        uses: "actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871"
 
       - name: "Setup Python"
         uses: "actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3"
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 0a11d90e21..b7e8c6e4d2 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -32,7 +32,7 @@ jobs:
             os: macOS-13
 
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
       with: