diff --git a/python/pyproject.toml b/python/pyproject.toml
index 5524159c6e..69510e3713 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
 ]
 
 [build-system]
-requires = ["flit_core >=3.11,<4"]
+requires = ["flit_core==3.12.0"]
 build-backend = "flit_core.buildapi"
 
 [dependency-groups]