diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92f28d3..4a3b280 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
         with:
           bundler-cache: true
           ruby-version: "4.0"
@@ -50,7 +50,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
         with:
           bundler-cache: true
           ruby-version: "4.0"
@@ -75,7 +75,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
         with:
           bundler-cache: true
           ruby-version: "4.0"
diff --git a/.github/workflows/publish-gem.yml b/.github/workflows/publish-gem.yml
index dec7aac..c5b4d17 100644
--- a/.github/workflows/publish-gem.yml
+++ b/.github/workflows/publish-gem.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
         with:
           bundler-cache: true
           ruby-version: "4.0"