diff --git a/build-constraints.yaml b/build-constraints.yaml
index c44a9799..b716e532 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -128,6 +128,7 @@ packages:
         - lens-regex-pcre
         - lens-csv
         - selections
+        - slick
         - unipatterns
 
     "Emily Pillmore <emilypi@cohomolo.gy> @topos":