diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3ae67338..36661d7c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -416,7 +416,7 @@ packages:
         - buchhaltung
 
     "Tom McLaughlin <tom@codedown.io> @thomasjm":
-        - aeson-typescript
+        - aeson-typescript < 0.6.2.0
         - fsnotify
         - myers-diff
         - sandwich