diff --git a/docs/conf.py b/docs/conf.py
index 86c90b7220..e0dbffaeb8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -89,6 +89,10 @@
     "aiohttp": ("https://aiohttp.readthedocs.io/en/stable/", None),
     "wrapt": ("https://wrapt.readthedocs.io/en/latest/", None),
     "pymongo": ("https://pymongo.readthedocs.io/en/stable/", None),
+    "opentelemetry": (
+        "https://opentelemetry-python.readthedocs.io/en/latest/",
+        None,
+    ),
 }
 
 # http://www.sphinx-doc.org/en/master/config.html#confval-nitpicky