diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5ebf663d..ad7db534 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -379,6 +379,7 @@ packages:
         - pipes
         - pipes-parse
         - pipes-concurrency
+        - pipes-safe
 
     "Chris Allen <cma@bitemyapp.com>":
         - bloodhound