diff --git a/src/requirements/production.txt b/src/requirements/production.txt
index bc56507e52..48717afae7 100644
--- a/src/requirements/production.txt
+++ b/src/requirements/production.txt
@@ -20,7 +20,7 @@ celery>=4.1.1,<4.2.0
 kombu==4.2.*
 django-statici18n==1.8.*
 inlinestyler==0.2.*
-BeautifulSoup4
+BeautifulSoup4==4.6.*
 slimit
 lxml
 static3==0.7.*
diff --git a/src/setup.py b/src/setup.py
index 70b27809e1..c4006e9c2d 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -108,7 +108,7 @@ setup(
         'kombu==4.2.*',
         'django-statici18n==1.8.*',
         'inlinestyler==0.2.*',
-        'BeautifulSoup4',
+        'BeautifulSoup4==4.6.*',
         'slimit',
         'lxml',
         'static3==0.7.*',