diff --git a/build-constraints.yaml b/build-constraints.yaml
index c8e65a45..6c15a3e0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1634,6 +1634,7 @@ packages:
         - http-api-data
         - smsaero
         - swagger2
+        - servant-swagger
 
     "Jared Tobin <jared@jtobin.ca> @jtobin":
         - mwc-probability