diff --git a/build-constraints.yaml b/build-constraints.yaml
index 951155ae..bdc6c6ef 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4416,7 +4416,7 @@ packages:
         - servant-exceptions-server
 
     "Vaibhav Sagar <vaibhavsagar@gmail.com> @vaibhavsagar":
-        - ihaskell
+        - ihaskell        < 0.11.0.0            # https://github.com/commercialhaskell/stackage/issues/7172
         - ghc-parser
 
     "Alexis Williams <alexis@typedr.at> @typedrat":