diff --git a/.github/workflows/bumpup.yml b/.github/workflows/bumpup.yml
index 48c2861..196d50b 100644
--- a/.github/workflows/bumpup.yml
+++ b/.github/workflows/bumpup.yml
@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
           submodules: true
 
-    - uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+    - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
       with:
         bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 820917f..94e7542 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
-      - uses: ruby/setup-ruby@003a5c4d8d6321bd302e38f6f0ec593f77f06600 # v1.319.0
+      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
         with:
           rubygems: latest
           bundler-cache: true