diff --git a/docs/conf.py b/docs/conf.py
index c87a0bf427..ed6e323fdf 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -49,9 +49,12 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents. Defaults to an empty string.
 #
+# 'version' is used in the version selector shown in the bottom right cortner of
+# ReadTheDocs UI, while 'release' is used in the HTML title.
+#
 # See: https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-version
 #
-# version = ''
+version = "1.5"
 release = "1.5.0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation