diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a7f39da5..4399d9f57 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
   linting:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Install uv and set Python version
@@ -37,7 +37,7 @@ jobs:
   type-checking:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Install uv and set Python version
@@ -78,7 +78,7 @@ jobs:
 
     name: Unit tests on Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Install uv and set Python version
@@ -141,7 +141,7 @@ jobs:
 
     name: ${{ matrix.job_name }}
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Install uv and set Python version
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0d0b1938d..5a51b1855 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -55,7 +55,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         persist-credentials: false
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 96848192f..904ae8fca 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -90,7 +90,7 @@ jobs:
           INPUTS_CONFIRM_MAJOR: ${{ inputs.confirm_major }}
 
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 0
           token: ${{ secrets.GH_ACCESS_TOKEN }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index 4caa8f5dd..67aceb5ac 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -22,7 +22,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - name: Run zizmor