MAINT: Require flit_core >= 3.9 (#2091)

dhgutteridge · web-flow · commit cbeed04f22b0 · 2023-08-24T20:35:28.000+02:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["flit_core >=3.2,<4"]
+requires = ["flit_core >=3.9,<4"]
 build-backend = "flit_core.buildapi"
 
 [project]
