diff --git a/build-constraints.yaml b/build-constraints.yaml
index dfc40c6b..64c4eaf2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3599,6 +3599,7 @@ packages:
     "Bardur Arantsson <stackage@scientician.net> @BardurArantsson":
         - pg-harness-client
         - pg-harness-server
+        - unliftio-streams
 
     "Sebastian Graf <sgraf1337@gmail.com> @sgraf812":
         - pomaps < 0 # GHC 8.4 via base-4.11.0.0