diff --git a/pyproject.toml b/pyproject.toml
index 6e101c4..f073746 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
 Repository = "https://github.com/buildwithhussain/forms_pro"
 
 [build-system]
-requires = ["flit_core >=3.4,<4"]
+requires = ["flit_core >=3.4,<5"]
 build-backend = "flit_core.buildapi"
 
 # These dependencies are only installed when developer mode is enabled