diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 3e338de0..e2ff2065 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a51aba4b..000e0f92 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -29,7 +29,7 @@ jobs:
     if: github.repository == 'sigstore/model-transparency'  # Don't do this in forks
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Set up Hatch
         uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
       - name: build docs
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1fbd48db..22f0017e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -27,7 +27,7 @@ jobs:
     name: Lint whitespace
     steps:
       - name: Check out source repository
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Detect empty lines at end of file and trailing whitespace
         run: |
           set -euxo pipefail
@@ -68,7 +68,7 @@ jobs:
     name: Type Check
     steps:
       - name: Check out source repository
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Set up Hatch
         uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
       - name: Run type check
@@ -79,7 +79,7 @@ jobs:
     name: Python lint
     steps:
       - name: Check out source repository
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - name: Set up Hatch
         uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
       - name: Run python linting
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b8b12f33..4b154332 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
     if: github.repository == 'sigstore/model-transparency'  # Don't do this in forks
     runs-on: ubuntu-latest  # Use matrix when we have OS specific pieces
     steps:
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
     - name: Set up Hatch
       uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
     - name: Build artifacts
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 30e1fe38..9bccfca8 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/slsa_for_ml.yml b/.github/workflows/slsa_for_ml.yml
index 0149a97e..4f41e141 100644
--- a/.github/workflows/slsa_for_ml.yml
+++ b/.github/workflows/slsa_for_ml.yml
@@ -61,7 +61,7 @@ jobs:
       # hash-windows-latest: ${{ steps.hash.outputs.hash-windows-latest }}
     steps:
     - run: git config --global core.autocrlf input
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
     - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
       with:
         python-version: 3.11
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 39a6fd28..d6ba4f9c 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -37,7 +37,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ['3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
     - name: Set up Hatch
       uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
     - name: Run unit tests (with coverage report at the end)