diff --git a/setup.py b/setup.py
index 4d1de87..b1fd86c 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
     },
     install_requires=['PyYAML==3.13', 'wikiextractor==3.0.3', 'spacy-nightly==2.1.0a1',
                       'en_core_web_sm==2.1.0a0', 'natsort==5.4.1',
-                      'beautifulsoup4==4.6.3'],
+                      'beautifulsoup4==4.6.3', 'polyglot==16.7.4'],
     dependency_links=[
         'https://github.com/akb89/wikiextractor/tarball/master#egg=wikiextractor-3.0.3',
         'https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-2.1.0a0/en_core_web_sm-2.1.0a0.tar.gz'],