diff --git a/docs/source/conf.py b/docs/source/conf.py
index ba599796..29e57383 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -309,4 +309,4 @@ texinfo_documents = [
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {'https://docs.python.org/3': None}