diff --git a/backend/requirements.txt b/backend/requirements.txt
index 3c30660..c43333b 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.1.1
+flask==2.3.2
 redis==3.4.0
 pm4py==1.2.4
 mido==1.2.9