diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 52dc3d1a..69e1c996 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@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # pin@v1.270.0
+      - uses: ruby/setup-ruby@d5f787ce339eb0767271bc01d922e85644c2c8ab # pin@v1.280.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 10db9b62..b7e479d0 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@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # pin@v1.270.0
+      - uses: ruby/setup-ruby@d5f787ce339eb0767271bc01d922e85644c2c8ab # pin@v1.280.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fc7d3ee9..7ea87d7a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v6
 
-      - uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # pin@v1.270.0
+      - uses: ruby/setup-ruby@d5f787ce339eb0767271bc01d922e85644c2c8ab # pin@v1.280.0
         with:
           bundler-cache: true
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c3e24a14..a38e1f40 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Update .ruby-version with matrix value
         run: echo "${{ matrix.ruby_version }}" >| .ruby-version
 
-      - uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # pin@v1.270.0
+      - uses: ruby/setup-ruby@d5f787ce339eb0767271bc01d922e85644c2c8ab # pin@v1.280.0
         with:
           bundler-cache: true