diff --git a/optional-requirements.txt b/optional-requirements.txt
index 09495ce..92366d8 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -1,6 +1,6 @@
 encoding-cleaner==0.4
 pyftpdlib==0.7.0
-openpyxl==1.5.7
+openpyxl==2.4.2
 boto==2.2.2
 tweepy==1.9
 xlrd==0.7.3