diff --git a/MANIFEST.in b/MANIFEST.in
index a24056f..5340fb7 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,4 +5,5 @@ include python25.pxd
 include timers.h
 include _line_profiler.c
 include unset_trace.h
+include pyproject.toml
 recursive-include tests *.py
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..be4ef18
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools >= 40.0", "wheel", "Cython"]
+build-backend = "setuptools.build_meta"