diff --git a/.github/workflows/autopush.yml b/.github/workflows/autopush.yml
index f0b30a9..e1dfec1 100644
--- a/.github/workflows/autopush.yml
+++ b/.github/workflows/autopush.yml
@@ -10,7 +10,7 @@ jobs:
         if: startsWith(github.repository, 'inducer/')
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -   run: |
                 curl -L -O https://tiker.net/ci-support-v0
                 . ./ci-support-v0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ef50eef..747984d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,14 +18,14 @@ jobs:
         name: Typos
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -   uses: crate-ci/typos@master
 
     ruff:
         name: Ruff
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
             with:
                 submodules: true
         -   uses: actions/setup-python@v5
@@ -38,7 +38,7 @@ jobs:
         name: Pylint
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -
             uses: actions/setup-python@v5
             with:
@@ -59,7 +59,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -   uses: actions/setup-python@v5
             with:
                 python-version: '3.x'
@@ -80,7 +80,7 @@ jobs:
             matrix:
                 python-version: ["3.10", "3.12", "3.x"]
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -
             uses: actions/setup-python@v5
             with:
@@ -102,7 +102,7 @@ jobs:
         name: Documentation
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -
             uses: actions/setup-python@v5
             with:
@@ -123,7 +123,7 @@ jobs:
         name: Tests for downstream project ${{ matrix.downstream_project }}
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
         -   name: "Main Script"
             env:
                 DOWNSTREAM_PROJECT: ${{ matrix.downstream_project }}