diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7813cb36..04215ae9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5106,6 +5106,7 @@ packages:
 
 
     "GHC 9 compilation failures":
+        - Fin < 0 # `@' not in scope
         - HDBC-mysql < 0
         - HStringTemplate < 0
         - Spock-core < 0