diff --git a/build-constraints.yaml b/build-constraints.yaml
index d47f217e..cde95127 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7928,6 +7928,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/8108
         - vcs-ignore < 0.1
+
+        # https://github.com/commercialhaskell/stackage/issues/8111
+        - Diff < 2
     # end of Stackage upper bounds
 # end of packages