diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
index f67803e..a1ef6d3 100644
--- a/.github/workflows/check-dist.yml
+++ b/.github/workflows/check-dist.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: namespacelabs/nscloud-checkout-action@953fed31a6113cc2347ca69c9d823743c65bc84b # v7
+        uses: namespacelabs/nscloud-checkout-action@def520b6c21233362f09c9ceda4352c51cceca26 # v8
 
       - name: Setup Node.js
         id: setup-node
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c6fa2be..f79d25d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: namespacelabs/nscloud-checkout-action@953fed31a6113cc2347ca69c9d823743c65bc84b # v7
+        uses: namespacelabs/nscloud-checkout-action@def520b6c21233362f09c9ceda4352c51cceca26 # v8
 
       - name: Setup Node.js
         id: setup-node
@@ -51,7 +51,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: namespacelabs/nscloud-checkout-action@953fed31a6113cc2347ca69c9d823743c65bc84b # v7
+        uses: namespacelabs/nscloud-checkout-action@def520b6c21233362f09c9ceda4352c51cceca26 # v8
 
       - name: Setup Node.js
         id: setup-node
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7b06048..0031af0 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: namespacelabs/nscloud-checkout-action@953fed31a6113cc2347ca69c9d823743c65bc84b # v7
+        uses: namespacelabs/nscloud-checkout-action@def520b6c21233362f09c9ceda4352c51cceca26 # v8
 
       - name: Initialize CodeQL
         id: initialize
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index d8ea062..f257c1b 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: namespacelabs/nscloud-checkout-action@953fed31a6113cc2347ca69c9d823743c65bc84b # v7
+        uses: namespacelabs/nscloud-checkout-action@def520b6c21233362f09c9ceda4352c51cceca26 # v8
         with:
           fetch-depth: 0