diff --git a/requirements.txt b/requirements.txt
index 7ef1999..2801894 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 hashedindex==0.4.4
 protobuf==3.10.0
 PyPDF2==1.26.0