diff --git a/build-constraints.yaml b/build-constraints.yaml
index 094ba177..3e9f35be 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2083,6 +2083,7 @@ packages:
         - union
         - named
         - inj
+        - shower
 
     "Stack Builders stackage@stackbuilders.com @stackbuilders":
         - atomic-write