diff --git a/build-constraints.yaml b/build-constraints.yaml
index d4164b50..5a86e1f3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7850,7 +7850,6 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/8011
         - semialign < 1.4
-        - tree-diff < 0.4 # https://github.com/haskellari/these/issues/216
     # end of Stackage upper bounds
 # end of packages