diff --git a/requirements.txt b/requirements.txt
index 1953ed9..bc5f814 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # $ conda create --name <env> --file <this file>
 # platform: win-64
 
-natsort==6.0.0
+natsort==7.0.1
 openpyxl==2.6.2
 pandas==0.24.2
 xlrd==1.2.0