diff --git a/requirements.txt b/requirements.txt
index 4bdfd39..48fd0ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2017.7.27.1
 chardet==3.0.4
 google-api-python-client==1.6.4
-httplib2==0.10.3
+httplib2==0.17.3
 idna==2.6
 oauth2client==4.1.2
 pyasn1==0.3.7