diff --git a/pyproject.toml b/pyproject.toml
index f14507c3b9d..ad8e117595f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 # When ESRP Release supports License-Expression, update flit_core to use >=3.2,<4
-requires = ["flit_core==3.10"]
+requires = ["flit_core==3.12.0"]
 build-backend = "flit_core.buildapi"
 
 [project]