diff --git a/pyproject.toml b/pyproject.toml
index de2ece51..e9018e7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,4 +1,5 @@
 [project]
+name = 'immutables'
 requires-python = ">=3.6"
 
 [build-system]