diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5ff9d4ed..fa3f59c1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5211,6 +5211,7 @@ packages:
         - effectful-poolboy
         - fgl-visualize
         - firebase-hs
+        - fx
         - gb-vector
         - generic-case
         - geoip2