diff --git a/pyproject.toml b/pyproject.toml
index 4a2078df..6cdbb6e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,5 +40,5 @@ dev-dependencies= [
 ]
 
 [build-system]
-requires = ["flit_core ==3.9"]
+requires = ["flit_core ==3.10.1"]
 build-backend = "flit_core.buildapi"