diff --git a/.github/workflows/bump-version.yml b/.github/workflows/bump-version.yml
index daefc6fb..740bac03 100644
--- a/.github/workflows/bump-version.yml
+++ b/.github/workflows/bump-version.yml
@@ -58,7 +58,7 @@ jobs:
             files.pythonhosted.org:443
             github.com:443
             pypi.org:443
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
         with:
           persist-credentials: false
       - uses: actions/setup-python@v5.1.0
diff --git a/.github/workflows/cache-cleaner.yml b/.github/workflows/cache-cleaner.yml
index 30da035c..f431fb01 100644
--- a/.github/workflows/cache-cleaner.yml
+++ b/.github/workflows/cache-cleaner.yml
@@ -25,7 +25,7 @@ jobs:
             github.com:443
             objects.githubusercontent.com:443
 
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
 
       - name: Cleanup
         run: |
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index d068c211..86fb8b3f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -37,7 +37,7 @@ jobs:
             pypi.org:443
             uploads.github.com:443
       - name: Checkout repository
-        uses: actions/checkout@v4.1.3
+        uses: actions/checkout@v4.1.5
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@codeql-bundle-20230524
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 97bbc97e..376b58b6 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -26,7 +26,7 @@ jobs:
             github.com:443
 
       - name: 'Checkout Repository'
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
 
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@0659a74c94536054bfa5aeb92241f70d680cc78e
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 37a65426..8a269de1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,7 +40,7 @@ jobs:
             files.pythonhosted.org:443
             github.com:443
             pypi.org:443
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
       - uses: actions/setup-python@v5.1.0
         with:
           python-version: "3.x"
@@ -78,7 +78,7 @@ jobs:
         uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
       - name: Setup Conda (Micromamba) with Python ${{ matrix.python-version }}
         uses: mamba-org/setup-micromamba@v1.8.1
         with:
@@ -142,7 +142,7 @@ jobs:
         uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
       - name: Setup Conda (Micromamba) with Python ${{ matrix.python-version }}
         uses: mamba-org/setup-micromamba@v1.8.1
         with:
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 60faabf6..b4c8db74 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -27,7 +27,7 @@ jobs:
             github.com:443
             pypi.org:443
             upload.pypi.org:443
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
       - name: Set up Python3
         uses: actions/setup-python@v5.1.0
         with:
diff --git a/.github/workflows/remove-obsolete-cache.yml b/.github/workflows/remove-obsolete-cache.yml
index 665f7cd4..0b65b393 100644
--- a/.github/workflows/remove-obsolete-cache.yml
+++ b/.github/workflows/remove-obsolete-cache.yml
@@ -24,7 +24,7 @@ jobs:
             objects.githubusercontent.com:443
 
       - name: Check out code
-        uses: actions/checkout@v4.1.3
+        uses: actions/checkout@v4.1.5
 
       - name: Cleanup
         run: |
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 29b4c4aa..6964c9bf 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -44,7 +44,7 @@ jobs:
             tuf-repo-cdn.sigstore.dev:443
             www.bestpractices.dev:443
 
-      - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/tag-testpypi.yml b/.github/workflows/tag-testpypi.yml
index b14d7557..68f5bb37 100644
--- a/.github/workflows/tag-testpypi.yml
+++ b/.github/workflows/tag-testpypi.yml
@@ -21,7 +21,7 @@ jobs:
         with:
           egress-policy: audit
       - name: Checkout code
-        uses: actions/checkout@v4.1.3
+        uses: actions/checkout@v4.1.5
       - name: Create Release
         uses: softprops/action-gh-release@v2
         env:
@@ -51,7 +51,7 @@ jobs:
             github.com:443
             pypi.org:443
             test.pypi.org:443
-      - uses: actions/checkout@v4.1.3
+      - uses: actions/checkout@v4.1.5
       - name: Set up Python3
         uses: actions/setup-python@v5.1.0
         with:
diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index 3bc5eaae..a2e0a102 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -46,7 +46,7 @@ jobs:
         uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Setup Conda (Micromamba) with Python${{ matrix.python-version }}