diff --git a/build-constraints.yaml b/build-constraints.yaml
index 27f92274..e825b14c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4547,7 +4547,7 @@ packages:
         - webgear-server
 
     "Alex Washburn <github@recursion.ninja> @recursion-ninja":
-        - bv-little
+        - bv-little < 0 # 1.3.1 requires newer GHC for primitive bound
         - mono-traversable-keys
 
     "Avi Press <mail@avi.press> @aviaviavi":