diff --git a/build-constraints.yaml b/build-constraints.yaml
index c01021bd..baa18229 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2785,7 +2785,7 @@ packages:
     "Patrick Chilton <chpatrick@gmail.com> @chpatrick":
         - webrtc-vad
         - servant-generic < 0 # merged into servant >= 0.14.1
-        - clang-pure
+        - clang-pure < 0 # https://github.com/commercialhaskell/stackage/issues/3810
         - codec
 
     "Michal Konecny <mikkonecny@gmail.com> @michalkonecny":