diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 6748c67..aeed10d 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -6,6 +6,7 @@ jobs:
     runs-on: ruby:3.1.3
     steps:
       - run: npm install ruby
+      - run: npm install gem
       - run: gem update
       - run: gem install bundler
       - run: bundle install