diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 31efecee..f99195d0 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -14,9 +14,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6.x
+        ruby-version: '2.6'
     - name: Checks
       run: |
         ruby .github/osia_convert.rb