diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8acd0b2..accb086 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -17,7 +17,7 @@ jobs:
       actions: read
       contents: read
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: github/codeql-action/init@411c4c9a36b3fca4d674f06b6396b2c6d23522c6 # v3
         with:
           languages: python
diff --git a/.github/workflows/tritrpc-exec-conformance.yml b/.github/workflows/tritrpc-exec-conformance.yml
index 8b98080..4b7f776 100644
--- a/.github/workflows/tritrpc-exec-conformance.yml
+++ b/.github/workflows/tritrpc-exec-conformance.yml
@@ -22,7 +22,7 @@ jobs:
       IPC_DIR: ${{ github.workspace }}/reference/ipc-v0
     steps:
       - name: Checkout workstation-contracts
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Checkout pinned TriTRPC source
         run: |
           set -euo pipefail
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index b0d0081..5dc3e46 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -11,7 +11,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Set up Python
         uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with: