diff --git a/requirement.txt b/requirement.txt
index 68bf103..fc62b61 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -15,7 +15,7 @@ PyYAML==3.13
 requests==2.19.1
 ruamel.yaml==0.15.75
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 xlrd==1.1.0
 xlutils==2.0.0
 xlwt==1.3.0