diff --git a/build-constraints.yaml b/build-constraints.yaml
index 48df6435..1916090f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -30,7 +30,7 @@ packages:
     "Emily Pillmore <emilypi@cohomolo.gy> @topos":
         - lens-process
         - microlens-process
-        - nonempty-vector
+        - nonempty-vector  < 0 # #4927
 
     "Matthieu Monsch <mtth@apache.org> @mtth":
         - flags-applicative