diff --git a/build-constraints.yaml b/build-constraints.yaml
index 807a6d55..a32d7be6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5226,7 +5226,7 @@ packages:
         - hscolour
         - hse-cpp
         - hslogger
-        - hsp
+        - hsp < 0 # ghc-9.6
         - hspec-attoparsec
         - hspec-contrib
         - hspec-expectations