diff --git a/.github/workflows/python-docs-publish.yml b/.github/workflows/python-docs-publish.yml
index efc0be9..19170d4 100644
--- a/.github/workflows/python-docs-publish.yml
+++ b/.github/workflows/python-docs-publish.yml
@@ -20,7 +20,7 @@ jobs:
       run:
         working-directory: python
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         # We need to additionally fetch the gh-pages branch for mike deploy
         with:
           fetch-depth: 0
diff --git a/.github/workflows/python-wheels.yml b/.github/workflows/python-wheels.yml
index afa992d..7b06b12 100644
--- a/.github/workflows/python-wheels.yml
+++ b/.github/workflows/python-wheels.yml
@@ -34,7 +34,7 @@ jobs:
             target: aarch64
             manylinux: "2_28"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -93,7 +93,7 @@ jobs:
           - runner: ubuntu-latest
             target: x86
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -136,7 +136,7 @@ jobs:
           - runner: windows-latest
             target: x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
       # There seem to be linking errors on Windows with the uv-provided Python
@@ -181,7 +181,7 @@ jobs:
           - runner: macos-15
             target: aarch64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -217,7 +217,7 @@ jobs:
   sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
       - name: Build sdist
diff --git a/.github/workflows/rust-release.yml b/.github/workflows/rust-release.yml
index 3edcdde..f12cf49 100644
--- a/.github/workflows/rust-release.yml
+++ b/.github/workflows/rust-release.yml
@@ -11,7 +11,7 @@ jobs:
     permissions:
       id-token: write # Required for OIDC token exchange
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: rust-lang/crates-io-auth-action@v1
         id: auth
       - run: cargo publish
diff --git a/.github/workflows/test-python.yml b/.github/workflows/test-python.yml
index c919c9f..90a30f9 100644
--- a/.github/workflows/test-python.yml
+++ b/.github/workflows/test-python.yml
@@ -18,7 +18,7 @@ jobs:
       run:
         working-directory: python
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -44,7 +44,7 @@ jobs:
       run:
         working-directory: python
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
@@ -68,7 +68,7 @@ jobs:
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9c39f86..76d25e1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"