diff --git a/build-constraints.yaml b/build-constraints.yaml
index bead24db..a10fe3cd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4672,6 +4672,9 @@ packages:
         - ghc-lib < 0.20190603
         - ghc-lib-parser < 0.20190603
 
+        # https://github.com/commercialhaskell/stackage/issues/4613
+        - fixed < 0.3
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of