diff --git a/requirements.txt b/requirements.txt
index 7d1aeba..69d14cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -85,7 +85,7 @@ numexpr==2.6.2
 numpy==1.12.1
 numpydoc==0.6.0
 odo==0.5.0
-openpyxl==2.4.1
+openpyxl==2.4.2
 pandas==0.19.2
 partd==0.3.7
 pathlib2==2.2.0