diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 35dcdc9a..03b4de65 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     - name: Set up Ruby ${{ matrix.ruby }}
       uses: actions/setup-ruby@v1
       with:
-        version: ${{ matrix.ruby }}       
+        ruby-version: ${{ matrix.ruby }}       
     - name: Build and test with Rake
       run: |
         gem install bundler