diff --git a/requirements.txt b/requirements.txt
index ac3f486..02bdba7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.0.2
+flask==2.3.2
 numpy==1.14.5
 pandas
 pycrypto==2.6.1