diff --git a/docs/conf.py b/docs/conf.py
index b6113bcd31c6de854944fbf5eb9958ecd6886ef6..e25e5fb88b0180b1b0139f1617e22df14a841030 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,6 +50,7 @@ html_css_files = [
 html_theme_options = {
     'logo_only': True,
     'style_nav_header_background': "#000",
+    'style_external_links': True,
 }
 
 def setup(app):