diff --git a/pyproject.toml b/pyproject.toml
index 8e559aa..862e4bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools >= 42", "wheel", "setuptools_scm[toml]>=3.4"]
+requires = ["setuptools >= 42", "wheel", "setuptools-scm[toml]>=3.4"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
diff --git a/tox.ini b/tox.ini
index f8aa887..3d21917 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,4 +1,6 @@
 [tox]
+# Build in an environment which respects PEP 518
+isolated_build = true
 envlist =
     lint,
     type,