diff --git a/ci_env.yml b/ci_env.yml
index bc7ed9785..ac87edda8 100644
--- a/ci_env.yml
+++ b/ci_env.yml
@@ -9,3 +9,4 @@ dependencies:
   - rattler-build >= 0.16.0
   - pixi
   - quetz-client
+  - jinja2