diff --git a/pyproject.toml b/pyproject.toml
index 998cebb7..354cce52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 maintainers = [
     {name = "scverse", email = "giov.pll@gmail.com"},
 ]
-urls.Documentation = "spatialdata.scverse.org/en/latest"
+urls.Documentation = "https://spatialdata.scverse.org/en/latest"
 urls.Source = "https://github.com/scverse/spatialdata.git"
 urls.Home-page = "https://github.com/scverse/spatialdata.git"
 requires-python = ">=3.9"