diff --git a/02_activate/21_challenge/processing-service/requirements.txt b/02_activate/21_challenge/processing-service/requirements.txt
index eda5412..e92339b 100644
--- a/02_activate/21_challenge/processing-service/requirements.txt
+++ b/02_activate/21_challenge/processing-service/requirements.txt
@@ -1,5 +1,5 @@
 pandas
 numpy
-Flask==2.1.0
+Flask==2.3.2
 gunicorn==20.1.0
 google-cloud-bigquery
\ No newline at end of file