diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2b204087..f619555c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3837,6 +3837,9 @@ packages:
     "Felix Paulusma <felix.paulusma@gmail.com> @Vlix":
         - safe-json
 
+    "Olle Fredriksson <fredriksson.olle@gmail.com> @ollef":
+        - rope-utf16-splay
+
     "Grandfathered dependencies":
         - Boolean
         - ChasingBottoms