diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 47bbb3f..9de970e 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -33,7 +33,7 @@ jobs:
           egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
 
       - name: "Checkout"
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 1202bb2..286c3cf 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -37,7 +37,7 @@ jobs:
         with:
           egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
       - name: "Checkout"
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: "Check Markdown documents"
diff --git a/.github/workflows/nextjs.yml b/.github/workflows/nextjs.yml
index 92c193f..02703e1 100644
--- a/.github/workflows/nextjs.yml
+++ b/.github/workflows/nextjs.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Node
         uses: actions/setup-node@v6
         with: