diff --git a/src/doc/conf.py b/src/doc/conf.py
index 84e676394d19e8ec35f241f1cf3cc202dafa0d4d..febba6caac30c8f99cc676c6d3f197cceb34ad94 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -195,9 +195,9 @@ epub_exclude_files = ['search.html']
 
 # https://www.sphinx-doc.org/en/master/usage/extensions/intersphinx.html#confval-intersphinx_mapping
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/", None),
+    "python": ("https://docs.python.org/3/", None),
     "caosdb-pylib": ("https://caosdb.gitlab.io/caosdb-pylib/", None),
-    "caosdb-mysqlbackend": ("https://caosdb.gitlab.io/caosdb-mysqlbackend/", None),
+    # "caosdb-mysqlbackend": ("https://caosdb.gitlab.io/caosdb-mysqlbackend/", None),
 }