diff --git a/build-constraints.yaml b/build-constraints.yaml
index 88364fe5..d72c9564 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1864,7 +1864,7 @@ packages:
         - ttrie
 
     "Greg Weber <greg@gregweber.info>":
-       - base-noprelude
+       - base-noprelude < 4.9
 
     # https://github.com/fpco/stackage/pull/979
     # "Andrew Lelechenko <andrew.lelechenko@gmail.com> @Bodigrim":