diff --git a/build-constraints.yaml b/build-constraints.yaml
index 16464593..538bdf39 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -99,6 +99,7 @@ packages:
         - eve
         - lens-regex-pcre
         - lens-csv
+        - unipatterns
 
     "Emily Pillmore <emilypi@cohomolo.gy> @topos":
         - base16