diff --git a/build-constraints.yaml b/build-constraints.yaml
index 12c9d197..ba055868 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4642,6 +4642,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4580
         - http-api-data < 0.4.1
 
+        # https://github.com/commercialhaskell/stackage/issues/4585
+        - rattletrap < 7
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of