diff --git a/build-constraints.yaml b/build-constraints.yaml
index b138d5e7..d2ac97a4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2766,7 +2766,7 @@ packages:
         - monad-peel
         - NineP
         - Network-NineP
-        - pontarius-xmpp
+        - pontarius-xmpp < 0 # https://github.com/commercialhaskell/stackage/issues/7337
         - stringprep
         - ranges