diff --git a/pyproject.toml b/pyproject.toml
index 5de7a3f..735735e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,6 +39,10 @@ content-type = "text/plain"
 
 [project.urls]
 Homepage = "https://jupyter.org"
+Changelog = "https://github.com/jupyter/nbformat/blob/main/CHANGELOG.md"
+Documentation = "https://nbformat.readthedocs.io/"
+Repository = "https://github.com/jupyter/nbformat.git"
+
 
 [project.optional-dependencies]
 docs = [