diff --git a/build-constraints.yaml b/build-constraints.yaml
index fd4c65aa..1e095d60 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3877,6 +3877,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4241
         - Glob < 0.10
 
+        # https://github.com/commercialhaskell/stackage/issues/4243
+        - blas-ffi < 0.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of