diff --git a/.github/workflows/pfi-exemplar-container-image.yaml b/.github/workflows/pfi-exemplar-container-image.yaml
index 7d606471..98fb3438 100644
--- a/.github/workflows/pfi-exemplar-container-image.yaml
+++ b/.github/workflows/pfi-exemplar-container-image.yaml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Log in to the container registry
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 1f95e790..c01c6f82 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dc13d0a7..864b699b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,7 +14,7 @@ jobs:
     outputs:
       languages: ${{ steps.build-matrix.outputs.languages }}
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: discover all examples
         id: build-matrix
         run: node .github/generate-test-steps.js >> "$GITHUB_OUTPUT"
@@ -28,7 +28,7 @@ jobs:
       matrix:
         example: ${{ fromJSON(needs.all.outputs.languages).javascript }}
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
           node-version: ${{ matrix.example.misc.node-version || '20.4.0' }}
@@ -50,7 +50,7 @@ jobs:
         example: ${{ fromJSON(needs.all.outputs.languages).kotlin }}
     steps:
       - name: Check out code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Enable KVM
         run: |
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
diff --git a/.github/workflows/vc-to-dwn-server-container-image.yml b/.github/workflows/vc-to-dwn-server-container-image.yml
index d347e2a9..9ba11deb 100644
--- a/.github/workflows/vc-to-dwn-server-container-image.yml
+++ b/.github/workflows/vc-to-dwn-server-container-image.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Log in to the container registry
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
diff --git a/javascript/pfi-aud-usd-tbdex/.github/workflows/ci.yml b/javascript/pfi-aud-usd-tbdex/.github/workflows/ci.yml
index ebdaddc2..43db66b7 100644
--- a/javascript/pfi-aud-usd-tbdex/.github/workflows/ci.yml
+++ b/javascript/pfi-aud-usd-tbdex/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         node-version: ['20.4.0']
         
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3