diff --git a/.github/workflows/check_changelog.yml b/.github/workflows/check_changelog.yml
index f1a2526..968cc00 100644
--- a/.github/workflows/check_changelog.yml
+++ b/.github/workflows/check_changelog.yml
@@ -13,7 +13,7 @@ jobs:
     if: (!contains(github.event.pull_request.labels.*.name, 'skip changelog'))
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Check that CHANGELOG is touched
         run: |
           git fetch origin ${{ github.base_ref }} --depth 1 && \
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d668ae..dfbe9f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       STACK: heroku-${{ matrix.stack_number }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Functional tests on heroku:${{ matrix.stack_number }}-build
         run: test/run
 
@@ -30,6 +30,6 @@ jobs:
     container:
       image: koalaman/shellcheck-alpine:v0.9.0
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: shellcheck
         run: shellcheck -x bin/compile bin/detect bin/release bin/report