diff --git a/build-constraints.yaml b/build-constraints.yaml
index cac05c23..6bc44f25 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -457,7 +457,7 @@ packages:
     "Tom McLaughlin <tom@codedown.io> @thomasjm":
         - aeson-typescript
         - fsnotify
-        - myers-diff
+        - myers-diff < 0 # https://github.com/codedownio/myers-diff/issues/13
         - sandwich
         - sandwich-contexts
         - sandwich-hedgehog