diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 950379b..ae68bc3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
     - name: Set up Ruby ${{ matrix.ruby_version }}
-      uses: ruby/setup-ruby@dffc446db9ba5a0c4446edb5bca1c5c473a806c5 # v1.235.0
+      uses: ruby/setup-ruby@829114fc20da43a41d27359103ec7a63020954d4 # v1.255.0
       with:
         ruby-version: ${{ matrix.ruby_version }}
         bundler-cache: true