diff --git a/.github/workflows/ruby-ci.yml b/.github/workflows/ruby-ci.yml
index 9f45a3ad9..b0f7f96dc 100644
--- a/.github/workflows/ruby-ci.yml
+++ b/.github/workflows/ruby-ci.yml
@@ -97,6 +97,8 @@ jobs:
       - name: Install Node packages
         run: |
           bin/yarn install --ignore-engines
+      - name: Install ImageMagick
+        run: sudo apt-get install imagemagick
       - name: Run tests
         run: |
           bundle exec rspec --fail-fast