diff --git a/requirements.txt b/requirements.txt
index 52d45aa..f9cb684 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-beautifulsoup4 # MIT
+beautifulsoup4>=4.6.0 # MIT
 lxml!=3.7.0,>=2.3 # BSD
 oslo.log>=3.22.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0