diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0a08987..49aa261 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -89,7 +89,7 @@ jobs:
             use_qemu: false
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # ensure history is present for automatic versioning
 
@@ -120,7 +120,7 @@ jobs:
     name: Build source distributions
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # ensure history is present for automatic versioning
 
diff --git a/.github/workflows/re2c-update-autocheck.yml b/.github/workflows/re2c-update-autocheck.yml
index c356580..ef0d462 100644
--- a/.github/workflows/re2c-update-autocheck.yml
+++ b/.github/workflows/re2c-update-autocheck.yml
@@ -9,7 +9,7 @@ jobs:
   update-dep:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Check and update re2c version
         id: check-re2c
         run: |