diff --git a/.github/workflows/upstream-equivalence.yml b/.github/workflows/upstream-equivalence.yml
index 1a24a64..dc9ca81 100644
--- a/.github/workflows/upstream-equivalence.yml
+++ b/.github/workflows/upstream-equivalence.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: Checkout repository
-      uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
       with:
         ref: ${{ github.head_ref }}
     - name: Install necessary tools
@@ -50,13 +50,13 @@ jobs:
         echo "ovmfPath=${ovmfPath}" | tee -a "$GITHUB_OUTPUT"
 
 
-    - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
       with:
         repository: virtee/sev-snp-measure.git
         ref: main
         path: sev-snp-measure
 
-    - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
       with:
         repository: edgelesssys/sev-snp-measure-go.git
         ref: main