diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6e209247..ce6fbd6a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1027,7 +1027,8 @@ packages:
         - clash-ghc
 
     "Athan Clark <athan.clark@gmail.com> @athanclark":
-        - nested-routes
+        # https://github.com/athanclark/nested-routes/issues/9
+        #- nested-routes
         - urlpath
         - markup
         - webpage