diff --git a/serverless-src/requirements.txt b/serverless-src/requirements.txt
index 18c25bd..a3751c3 100644
--- a/serverless-src/requirements.txt
+++ b/serverless-src/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==2.3.2
 numpy==1.15.4
 Pillow==5.4.1
 google_api_python_client==1.7.7