diff --git a/build-constraints.yaml b/build-constraints.yaml
index e2ba76f2..768dad92 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -851,6 +851,9 @@ packages:
     "Noam Lewis <jones.noamle@gmail.com> @sinelaw":
         - xml-to-json
         - xml-to-json-fast
+    
+    "Tim Baumann <tim@timbaumann.info> @timjb":
+        - aeson-schema
         
     "Stackage upper bounds":
         # GHC 7.8 uppdate bound