diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index e064f9a5..45821216 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,7 +8,7 @@ jobs:
     env:
       PYTEST_ADDOPTS: --cov mpmath --cov-append -n auto
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 30250592..aae24e32 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -4,7 +4,7 @@ jobs:
   docs:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 5e63c39a..1ea7c218 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -4,7 +4,7 @@ jobs:
   linter:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 49ecbd6c..7b7a5f5d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,7 +5,7 @@ jobs:
     name: Build distributions
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - uses: actions/setup-python@v6
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 06fb6360..eb16b9cb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
     env:
       PYTEST_ADDOPTS: -n auto
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: Set up Python ${{ matrix.python-version }}