diff --git a/requirements.txt b/requirements.txt
index d124b0b..208a63c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 google-auth==1.6.3
-google-api-python-client==1.7.8
+google-api-python-client==1.7.9
 icalendar==4.0.3
-pytz==2018.9
+pytz==2019.1
 PyYAML==5.1