diff --git a/v3.0/codec/codec/requirements.txt b/v3.0/codec/codec/requirements.txt
index e601247..9b4d2bd 100644
--- a/v3.0/codec/codec/requirements.txt
+++ b/v3.0/codec/codec/requirements.txt
@@ -2,5 +2,5 @@
 # python_version = "3.6"
 ################################################################################
 
-flask==1.0.3
+flask==2.3.2
 gunicorn==19.9.0
\ No newline at end of file