diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 928a039..e5b77a5 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -9,7 +9,7 @@ jobs:
       if:
         startsWith(github.ref, 'refs/tags')
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
         - name: Set up Python
           uses: actions/setup-python@v5
           with:
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index d0707c1..a367ec3 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -9,6 +9,6 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
       - uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index caea72f..9e4d2a9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
@@ -50,7 +50,7 @@ jobs:
     name: doctests
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0 # required for hatch version discovery, which is needed for numcodecs.zarr3
     - name: Set up Python