diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5e2ee14..40c5b0e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@3ff19f5e2baf30647122352b96108b1fbe250c64 # pin@v1.299.0
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # pin@v1.306.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6e8a4bf..610dd7a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@3ff19f5e2baf30647122352b96108b1fbe250c64 # pin@v1.299.0
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # pin@v1.306.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d578169..6ded95f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@3ff19f5e2baf30647122352b96108b1fbe250c64 # pin@v1.299.0
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # pin@v1.306.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 982a9aa..8fc9ed3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@3ff19f5e2baf30647122352b96108b1fbe250c64 # pin@v1.299.0
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # pin@v1.306.0
         with:
           bundler-cache: true
           ruby-version: ${{ matrix.ruby }}