diff --git a/python-crud-google-spreadsheet/requirements.txt b/python-crud-google-spreadsheet/requirements.txt
index 8b3533e..266a314 100644
--- a/python-crud-google-spreadsheet/requirements.txt
+++ b/python-crud-google-spreadsheet/requirements.txt
@@ -1,3 +1,3 @@
 gspread==3.1.0
-httplib2==0.12.0
+httplib2==0.18.0
 oauth2client==4.1.3