diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 46c2c94..e032325 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # pin@v1.245.0
+      - uses: ruby/setup-ruby@472790540115ce5bd69d399a020189a8c87d641f # pin@v1.247.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/gem.yml b/.github/workflows/gem.yml
index 8ed6169..bebdee1 100644
--- a/.github/workflows/gem.yml
+++ b/.github/workflows/gem.yml
@@ -20,7 +20,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # pin@v1.245.0
+      - uses: ruby/setup-ruby@472790540115ce5bd69d399a020189a8c87d641f # pin@v1.247.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a1faaca..566da69 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,7 +18,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # pin@v1.245.0
+      - uses: ruby/setup-ruby@472790540115ce5bd69d399a020189a8c87d641f # pin@v1.247.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ab5e99e..1c24232 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
-      - uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # pin@v1.245.0
+      - uses: ruby/setup-ruby@472790540115ce5bd69d399a020189a8c87d641f # pin@v1.247.0
         with:
           bundler-cache: true
           ruby-version: ${{ matrix.ruby }}