diff --git a/requirements.txt b/requirements.txt
index b6285a4..824e8cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ google-api-python-client==1.8.3
 google-auth==1.14.3
 google-auth-httplib2==0.0.3
 googleapis-common-protos==1.51.0
-httplib2==0.17.3
+httplib2==0.18.0
 idna==2.9
 oauth2client==4.1.3
 protobuf==3.11.3