diff --git a/requirements.txt b/requirements.txt
index 1953ed9..ab9a222 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ openpyxl==2.6.2
 pandas==0.24.2
 xlrd==1.2.0
 xlwt==1.3.0
-flask==1.0.3
\ No newline at end of file
+flask==1.1.2
\ No newline at end of file