diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8596c86..e04fff7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         ]
     steps:
     - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
-    - uses: ruby/setup-ruby@dffc446db9ba5a0c4446edb5bca1c5c473a806c5 # v1.235.0
+    - uses: ruby/setup-ruby@cb0fda56a307b8c78d38320cd40d9eb22a3bf04e # v1.242.0
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
-      - uses: ruby/setup-ruby@dffc446db9ba5a0c4446edb5bca1c5c473a806c5 # v1.235.0
+      - uses: ruby/setup-ruby@cb0fda56a307b8c78d38320cd40d9eb22a3bf04e # v1.242.0
         with:
           bundler-cache: true
       - run: sudo apt-get install -y valgrind