diff --git a/build-constraints.yaml b/build-constraints.yaml
index 368fcff7..1917f511 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3596,6 +3596,10 @@ packages:
         - dbus
         - re2
 
+    "Bardur Arantsson <stackage@scientician.net> @BardurArantsson":
+        - pg-harness-client
+        - pg-harness-server
+
     "Sebastian Graf <sgraf1337@gmail.com> @sgraf812":
         - pomaps < 0 # GHC 8.4 via base-4.11.0.0