diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index a3f851b..0d8a107 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -27,6 +27,6 @@ jobs:
     name: cargo audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: taiki-e/install-action@cargo-audit
       - run: cargo audit
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc13eed..76186e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt, clippy
@@ -42,7 +42,7 @@ jobs:
     name: MSRV check (1.85)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.85
@@ -53,7 +53,7 @@ jobs:
     name: mzML XSD validation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - name: Emit synthetic mzML from the canonical writer
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 03d88cf..bdb3f69 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,7 +21,7 @@ jobs:
     name: Publish to crates.io
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo publish -p openmassspec-core
         env: