diff --git a/README.md b/README.md
index 2a8f52f..160b27c 100644
--- a/README.md
+++ b/README.md
@@ -21,5 +21,5 @@ def home_page():
 ## More Info
 
 * [Flask-PyMongo Documentation](https://flask-pymongo.readthedocs.org/)
-* [PyMongo Documentation](https://api.mongodb.org/python/current/)
-* [Flask Documentation](http://flask.pocoo.org/docs/)
+* [PyMongo Documentation](https://pymongo.readthedocs.io/en/stable/)
+* [Flask Documentation](https://flask.pocoo.org/docs/)
diff --git a/docs/conf.py b/docs/conf.py
index 8d47d9d..37c20aa 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -255,7 +255,7 @@
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    "python": ("http://docs.python.org/", None),
-    "flask": ("http://flask.pocoo.org/docs/", None),
-    "pymongo": ("http://api.mongodb.org/python/current/", None),
+    "python": ("https://docs.python.org/", None),
+    "flask": ("https://flask.pocoo.org/docs/", None),
+    "pymongo": ("https://pymongo.readthedocs.io/en/stable/", None),
 }