diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77b2c99..a0dbced 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
       run:
         working-directory: physerver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # rustfmt.toml uses nightly-only options (imports_granularity,
       # group_imports, wrap_comments, normalize_comments, …). Install a
@@ -99,7 +99,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: physerver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
@@ -122,7 +122,7 @@ jobs:
     name: firmware (SAM3X)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install ARM GNU Toolchain
         run: |
@@ -165,7 +165,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: physerver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
@@ -197,7 +197,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: physerver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable