diff --git a/requirements.txt b/requirements.txt
index c4c8eab..4c69354 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ dnspython==1.16.0
 feedparser==5.2.1
 GitPython
 google-cloud-datastore==1.10.0
-html-similarity==0.3.2
+html-similarity==0.3.3
 httpretty==0.9.7
 pyopenssl==18.0.0
 PyYAML