diff --git a/build-constraints.yaml b/build-constraints.yaml
index 033ff0ff..85bcc3ec 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3160,7 +3160,7 @@ packages:
         - irc-dcc
 
     "Alexey Raga <alexey.raga@gmail.com> @AlexeyRaga":
-        - hw-kafka-client # 4.0.4
+        - hw-kafka-client < 4.0.4 # https://github.com/commercialhaskell/stackage/issues/6388
 
     "John Ky newhoggy@gmail.com @newhoggy":
         - aeson-lens