diff --git a/build-constraints.yaml b/build-constraints.yaml
index d29b07f2..d4f1d9c3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2753,7 +2753,7 @@ packages:
         - monad-peel
         - NineP
         - Network-NineP
-        - pontarius-xmpp
+        - pontarius-xmpp < 0 # fails to compile, https://github.com/commercialhaskell/stackage/issues/7107
         - stringprep
         - ranges