diff --git a/requirements.txt b/requirements.txt
index db12cedcd..da227e796 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ py-gfm==0.1.3
 blinker==1.4
 lxml==3.8.0
 pyexcel==0.5.3
-pyexcel-io==0.4.3
+pyexcel-io==0.4.4
 pyexcel-xls==0.4.0
 pyexcel-xlsx==0.4.1
 pyexcel-ods3==0.4.0