diff --git a/docs/source/conf.py b/docs/source/conf.py
index 19b8e7dc08..66b09c6b63 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -251,8 +251,12 @@ epub_exclude_files = ['search.html']
 
 # -- Options for intersphinx extension ---------------------------------------
 
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/3', None),
+    'torch': ('https://pytorch.org/docs/stable/', None),
+    'numpy': ('https://docs.scipy.org/doc/numpy/', None),
+    'PIL': ('https://pillow.readthedocs.io/en/stable/', None),
+}
 
 # -- Options for todo extension ----------------------------------------------