diff --git a/pyrage-stubs/pyrage-stubs/x25519.py b/pyrage-stubs/pyrage-stubs/x25519.py
index 7826986..e5348ac 100644
--- a/pyrage-stubs/pyrage-stubs/x25519.py
+++ b/pyrage-stubs/pyrage-stubs/x25519.py
@@ -7,7 +7,7 @@ def generate(cls) -> Identity:
         ...
 
     @classmethod
-    def from_str(cls) -> Identity:
+    def from_str(cls, v: str) -> Identity:
         ...
 
     def to_public(self) -> Recipient: