diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f5f03cf7..77ddbc26 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,6 +60,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '2.6'
+          rubygems: '3.3.22'
 
       - name: install ruby dependencies
         run: |