diff --git a/build-constraints.yaml b/build-constraints.yaml
index 21a0e363..cf97c714 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1991,9 +1991,6 @@ packages:
         # https://github.com/fpco/stackage/issues/1227
         - diagrams-svg < 1.4
 
-        # https://github.com/fpco/stackage/issues/1229
-        - network-transport-tcp < 0.5
-
         # https://github.com/fpco/stackage/issues/1238
         - path-io < 1.0.0