diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 473574e3..22973b16 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -20,7 +20,7 @@ jobs:
         working-directory: backend
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.11"
diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
index 6d8a6dec..dd5bc075 100644
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@@ -24,7 +24,7 @@ jobs:
         working-directory: cli
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.11"
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index 1da0e2c6..8e111ecc 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -20,7 +20,7 @@ jobs:
         working-directory: frontend
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: 20
diff --git a/.github/workflows/install-smoke.yml b/.github/workflows/install-smoke.yml
index 7db9445e..ab346aec 100644
--- a/.github/workflows/install-smoke.yml
+++ b/.github/workflows/install-smoke.yml
@@ -44,7 +44,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       # The smoke script bootstraps uv itself, but pre-installing it on the
       # runner cuts ~10s off each job and avoids the curl|sh layer.
@@ -90,7 +90,7 @@ jobs:
             image: archlinux:latest
             family: arch
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Smoke install in ${{ matrix.name }}
         env:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 73e1c0f6..6f65a373 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,7 +37,7 @@ jobs:
       is_prerelease: ${{ steps.resolve.outputs.is_prerelease }}
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}
           fetch-depth: 0
@@ -118,7 +118,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           ref: ${{ needs.validate.outputs.tag }}
 
@@ -184,7 +184,7 @@ jobs:
       sbom_path: ${{ steps.sbom.outputs.output-file }}
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           ref: ${{ needs.validate.outputs.tag }}
 
@@ -372,7 +372,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           ref: ${{ needs.validate.outputs.tag }}