diff --git a/.github/workflows/check-pull-request.yml b/.github/workflows/check-pull-request.yml
index b0b7489..063aa6a 100644
--- a/.github/workflows/check-pull-request.yml
+++ b/.github/workflows/check-pull-request.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # pin@v2
       - name: Install Ruby
-        uses: ruby/setup-ruby@a2bbe5b1b236842c1cb7dd11e8e3b51e0a616acc # pin@v1
+        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # pin@v1
         with:
           bundler-cache: true
       - name: Build
diff --git a/.github/workflows/deploy-to-aws.yml b/.github/workflows/deploy-to-aws.yml
index 1a211db..56f67ff 100644
--- a/.github/workflows/deploy-to-aws.yml
+++ b/.github/workflows/deploy-to-aws.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # pin@v4
       - name: Install Ruby
-        uses: ruby/setup-ruby@a2bbe5b1b236842c1cb7dd11e8e3b51e0a616acc # pin@v1
+        uses: ruby/setup-ruby@d781c1b4ed31764801bfae177617bb0446f5ef8d # pin@v1
         with:
           bundler-cache: true
       - name: Install Gems