diff --git a/build-constraints.yaml b/build-constraints.yaml
index 64c46766..2d600bc7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2200,7 +2200,7 @@ packages:
         - ghc-typelits-knownnat
         - ghc-typelits-natnormalise
         - clash-prelude
-        - clash-lib
+        - clash-lib < 1.4.4 # https://github.com/commercialhaskell/stackage/issues/6228
         - clash-ghc
 
     "Athan Clark <athan.clark@gmail.com> @athanclark":