diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1c233db2..0e91b29c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2735,9 +2735,6 @@ packages:
         - tls < 1.3.9
         - cacophony < 0.9.0
 
-        # https://github.com/fpco/stackage/issues/2148
-        - rattletrap < 2.1.0
-
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of