diff --git a/requirements.txt b/requirements.txt
index e4b456f..6f70a1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-openpyxl == 2.2.5
+openpyxl == 2.4.2
 xlwt == 1.0.0
 xlrd
 urllib3 == 1.16