diff --git a/Bot/sample_bot/calendarEvents/requirements.txt b/Bot/sample_bot/calendarEvents/requirements.txt
index 68414c3..325168a 100644
--- a/Bot/sample_bot/calendarEvents/requirements.txt
+++ b/Bot/sample_bot/calendarEvents/requirements.txt
@@ -7,7 +7,7 @@ google-auth==1.13.1
 google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.51.0
-httplib2==0.17.1
+httplib2==0.18.0
 idna==2.9
 oauthlib==3.1.0
 protobuf==3.11.3