diff --git a/build-constraints.yaml b/build-constraints.yaml
index d2ecc651..a59dcab3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1513,9 +1513,6 @@ packages:
         # https://github.com/fpco/stackage/issues/856
         - syb < 0.6
 
-        # https://github.com/ajnsit/wai-routes/issues/7
-        - wai-routes < 0.9.1
-
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: