MNT: fix circle

Author: jklymak

requirements/requirements.txt

@@ -12,7 +12,7 @@ appdirs==1.4.4
     # via virtualenv
 babel==2.9.1
     # via sphinx
-beautifulsoup4==4.9.5
+beautifulsoup4==4.9.3
     # via pydata-sphinx-theme
 bump2version==1.0.1
     # via -r requirements.in