diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0842aee9..85586668 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4347,7 +4347,7 @@ packages:
         - herms
 
     "Sergey Vinokurov <serg.foo@gmail.com> @sergv":
-        - bencoding
+        - bencoding < 0 # not ghc-9.6 ready https://github.com/sergv/bencoding/issues/4
         - emacs-module < 0.2 # 0.2 (presumably) needs GHC 9.6 https://github.com/commercialhaskell/stackage/issues/6971
         - tasty-ant-xml
         - prettyprinter-combinators