diff --git a/requirements-app.txt b/requirements-app.txt
index 07cc99c72..c49316057 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -9,7 +9,7 @@ Flask-WTF==0.14.3
 Flask-Login==0.5.0
 
 blinker==1.4
-pyexcel==0.6.3
+pyexcel==0.6.4
 pyexcel-io==0.5.20
 pyexcel-xls==0.5.8
 pyexcel-xlsx==0.5.8