diff --git a/pyproject.toml b/pyproject.toml
index 0e3b770..7a24145 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires = ["setuptools>=30.3.0", "wheel", "setuptools_scm>=3.3.1"]
+requires = ["setuptools==43.0.0", "wheel", "setuptools_scm>=3.3.1"]