diff --git a/sphinxcontrib/versioning/sphinx_.py b/sphinxcontrib/versioning/sphinx_.py
index a90587d4f..711138d8d 100644
--- a/sphinxcontrib/versioning/sphinx_.py
+++ b/sphinxcontrib/versioning/sphinx_.py
@@ -6,7 +6,14 @@
 import os
 import sys
 
-from sphinx import application, build_main, locale
+from sphinx import application, locale
+
+try:
+    from sphinx import build_main
+except ImportError:
+    # Python 3.6+ ImportError fix
+    from sphinx.cmd.build import build_main
+
 from sphinx.builders.html import StandaloneHTMLBuilder
 from sphinx.config import Config as SphinxConfig
 from sphinx.errors import SphinxError