diff --git a/build-constraints.yaml b/build-constraints.yaml
index e2868a5d..26a88851 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1229,9 +1229,6 @@ packages:
         # https://github.com/fpco/stackage/issues/710
         - fsnotify < 0.2
 
-        # https://github.com/fpco/stackage/issues/715
-        - postgresql-libpq < 0.9.1
-
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: