diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9334371a814cf3ae6136d0bac175f3e5a119cfe7..82757f6676ad244edeb609d1db01d693c22fd143 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ Pytest:
 
 Examples:
   script: |
-    EXTRA_INSTALL="numpy"
+    EXTRA_INSTALL="numpy pymbolic"
     curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/ci-support.sh
     . ./ci-support.sh
     build_py_project_in_venv