diff --git a/docs/source/developers/extensions.rst b/docs/source/developers/extensions.rst
index dae62ff1db..2a9d1e4064 100644
--- a/docs/source/developers/extensions.rst
+++ b/docs/source/developers/extensions.rst
@@ -400,7 +400,7 @@ Putting it all together, authors can distribute their extension following this s
 
 .. links
 
-.. _`Jupyter's paths`: https://jupyter.readthedocs.io/en/latest/projects/jupyter-directories.html
+.. _`Jupyter's paths`: https://jupyter.readthedocs.io/en/latest/use/jupyter-directories.html
 
 
 Migrating an extension to use Jupyter Server
@@ -543,4 +543,4 @@ There are a few key steps to make this happen:
             )
 
 
-.. _`classic Notebook Server`: https://jupyter-notebook.readthedocs.io/en/stable/extending/handlers.html
\ No newline at end of file
+.. _`classic Notebook Server`: https://jupyter-notebook.readthedocs.io/en/stable/extending/handlers.html