diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index a21bf35..d99aac0 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # See <https://github.com/mkdocs/mkdocs/issues/2370#issuecomment-821926264>
           fetch-depth: 0
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index ff96dec..eec27b9 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -15,7 +15,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # See <https://github.com/mkdocs/mkdocs/issues/2370#issuecomment-821926264>
           fetch-depth: 0