diff --git a/.github/workflows/bumpup.yml b/.github/workflows/bumpup.yml
index a960236..e72373d 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@e65c17d16e57e481586a6a5a0282698790062f92 # v1.300.0
+    - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
       with:
         bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 110fe4f..a1362fd 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@e65c17d16e57e481586a6a5a0282698790062f92 # v1.300.0
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           rubygems: latest
           bundler-cache: true