diff --git a/app/requirements.txt b/app/requirements.txt
index 3b0655f..2cf71b9 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -1,3 +1,3 @@
 Flask==3.0.3
-prometheus-client==0.20.0
+prometheus-client==0.21.0
 requests==2.32.3
\ No newline at end of file