diff --git a/build-constraints.yaml b/build-constraints.yaml
index 71d4ec58..31690b40 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -475,6 +475,7 @@ packages:
         - coercible-utils < 0 # ghc 8.10
         - hspec-parsec
         - checkers
+        - hnix
 
     "Joe M <joe9mail@gmail.com> @joe9":
         - logger-thread < 0 # via protolude