diff --git a/pyproject.toml b/pyproject.toml
index b08eea7b..af2d1c6b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dependencies = [
     "email-validator >=1.1.0,<1.3",
     "pyjwt[crypto] ==2.4.0",
     "python-multipart ==0.0.5",
-    "makefun >=1.11.2,<1.15",
+    "makefun >=1.11.2,<2.0.0",
     "typing-extensions >=4.1.1; python_version < '3.8'",
 ]