diff --git a/requirements.txt b/requirements.txt
index 1f4143e..1e7f034 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask~=1.1.2
+flask~=2.1.3
 twilio~=6.38.1
 faker~=4.0.3
 python-dotenv==0.13.0