1 files changed, 1 insertions, 1 deletions

diff --git a/pyproject.toml b/pyproject.toml
index cc73b65e..26244c79 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["flit_core >=3.6.0,<4", "setuptools>=45", "wheel"]
+requires = ["flit_core >=3.5.1,<4", "setuptools>=45", "wheel"]
 build-backend = "flit_core.buildapi"
 
 [project]