diff --git a/owlbot.py b/owlbot.py
index 5fd5c436a..93620ab98 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -30,7 +30,7 @@
     microgenerator=True,
     split_system_tests=True,
     intersphinx_dependencies={
-        "pandas": "http://pandas.pydata.org/pandas-docs/stable/",
+        "pandas": "https://pandas.pydata.org/pandas-docs/stable/",
         "geopandas": "https://geopandas.org/",
     },
 )