diff --git a/build-constraints.yaml b/build-constraints.yaml
index 23f204ce..202b4e91 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7303,7 +7303,7 @@ packages:
         - algebraic-graphs < 0.7
 
         # https://github.com/commercialhaskell/stackage/issues/6638
-        - invariant < 0.6
+        # invariant < 0.6
 
         # https://github.com/commercialhaskell/stackage/issues/6669
         - enummapset < 0.7.0.0