diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eef64de42..1f84f090b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
       PYTHON: ${{ matrix.python }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags
 
@@ -109,7 +109,7 @@ jobs:
       PYTHON: ${{ matrix.python }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags
 
@@ -171,7 +171,7 @@ jobs:
       PYTHON: ${{ matrix.python }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags
 
@@ -210,7 +210,7 @@ jobs:
     name: Build sdist and wheels
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags
 
@@ -308,7 +308,7 @@ jobs:
       - name: Set image name
         run: echo "DOCKER_IMAGE_NAME=ocrmypdf" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags
 
@@ -356,7 +356,7 @@ jobs:
       - name: Set image name
         run: echo "DOCKER_IMAGE_NAME=ocrmypdf-alpine" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: "0" # 0=all, needed for setuptools-scm to resolve version tags