diff --git a/.github/workflows/merge-develop.yml b/.github/workflows/merge-develop.yml
index 6e2f06b..fce3349 100644
--- a/.github/workflows/merge-develop.yml
+++ b/.github/workflows/merge-develop.yml
@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
@@ -97,7 +97,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index e08ed7f..444732e 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -18,7 +18,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
@@ -78,7 +78,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
@@ -202,7 +202,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
@@ -287,7 +287,7 @@ jobs:
       - tox
     steps:
       - name: checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0