diff --git a/requirements.txt b/requirements.txt
index c08ce73..ed89562 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2019.6.16
 chardet==3.0.4
 Click==7.0
 Deprecated==1.2.6
-Flask==1.1.1
+Flask==2.3.2
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.11.3