diff --git a/pyproject.toml b/pyproject.toml
index 05f162a50..17a5a3340 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,9 @@ classifiers = [
   "Operating System :: OS Independent",
 ]
 
+[project.urls]
+"Source" = "https://github.com/pydata/pydata-sphinx-theme"
+
 [project.optional-dependencies]
 doc = [
   "numpydoc",