diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3edb77cf..7359afbf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2568,7 +2568,7 @@ packages:
         - handwriting
 
     "Stephen Diehl <stephen.m.diehl@gmail.com> @sdiehl":
-        - llvm-hs-pretty
+        - llvm-hs-pretty < 0 # build failure https://github.com/llvm-hs/llvm-hs-pretty/issues/47
         - protolude
         - repline
         - picosat