diff --git a/python/pyproject.toml b/python/pyproject.toml
index 54695c039..43528a024 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,5 +1,6 @@
 [build-system]
 requires = ["setuptools>=45", "wheel", "setuptools_scm>=6.2", "cffi>=1.0.0"]
+build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
 root = ".."
diff --git a/python/tox.ini b/python/tox.ini
index d459cb9fd..bb9a07b1a 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -1,4 +1,5 @@
 [tox]
+isolated_build = true
 envlist =
     py3
     lint