diff --git a/third_party/2and3/werkzeug/routing.pyi b/third_party/2and3/werkzeug/routing.pyi
index 03a7661a3..a1cfe8d9f 100644
--- a/third_party/2and3/werkzeug/routing.pyi
+++ b/third_party/2and3/werkzeug/routing.pyi
@@ -112,7 +112,7 @@ class BaseConverter:
     map: Any
     def __init__(self, map): ...
     def to_python(self, value): ...
-    def to_url(self, value): ...
+    def to_url(self, value) -> str: ...
 
 class UnicodeConverter(BaseConverter):
     regex: Any
@@ -133,7 +133,7 @@ class NumberConverter(BaseConverter):
     max: Any
     def __init__(self, map, fixed_digits: int = ..., min: Optional[Any] = ..., max: Optional[Any] = ...): ...
     def to_python(self, value): ...
-    def to_url(self, value): ...
+    def to_url(self, value) -> str: ...
 
 class IntegerConverter(NumberConverter):
     regex: Any
@@ -147,7 +147,7 @@ class FloatConverter(NumberConverter):
 class UUIDConverter(BaseConverter):
     regex: Any
     def to_python(self, value): ...
-    def to_url(self, value): ...
+    def to_url(self, value) -> str: ...
 
 DEFAULT_CONVERTERS: Any