diff --git a/build-constraints.yaml b/build-constraints.yaml
index e13b95b9..56ee23b5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -734,6 +734,7 @@ packages:
         # GHC 8 - ghc-events
         - monad-extras
         # GHC 8 - stack < 9.9.9
+        - optparse-simple
 
     "Michael Sloan <mgsloan@gmail.com>":
         - th-orphans