diff --git a/build-constraints.yaml b/build-constraints.yaml
index 97db2a93..68eb2470 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1843,6 +1843,7 @@ packages:
         # GHC 8 - ig
         - natural-transformation
         - opaleye-trans
+        - pretty-simple
         - read-env-var
         - yahoo-finance-api