diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7c3b1840e..834f5557a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -72,6 +72,7 @@ jobs:
       - name: Install dependencies
         run: |
           gem install bundler --no-document
+          gem install rake
           gem rdoc --all --ri --no-rdoc
           WITH_VTERM=1 bundle install
       - name: rake test_yamatanooroti