diff --git a/build-constraints.yaml b/build-constraints.yaml
index 649fe02d..7a6bce34 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3445,10 +3445,6 @@ packages:
         # (build failure)
         - groundhog-postgresql < 0.8.0.2
 
-        # https://github.com/RyanGlScott/text-show/issues/34
-        # (downstream build failure)
-        - quickcheck-instances < 0.3.17
-
         # https://github.com/athanclark/websockets-rpc/issues/2
         # (downstream build failure)
         - websockets-simple < 0.1