diff --git a/build-constraints.yaml b/build-constraints.yaml
index fccd000e..a4f7b0f3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -357,7 +357,7 @@ packages:
         - hyperloglog
 
     "Andrew Farmer <afarmer@ittc.ku.edu>":
-        - scotty
+        - scotty < 0.11
         - wai-middleware-static
 
     "Simon Hengel <sol@typeful.net>":