diff --git a/requirements.txt b/requirements.txt
index c958af7..b77b2b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 cryptography==2.3.1
-httplib2==0.11.3
+httplib2==0.18.0
 idna==2.7
 Jinja2==2.10
 junit-xml==1.8