diff --git a/requirements.txt b/requirements.txt
index f1eb66c..4e479e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,4 +23,4 @@ structlog==24.4.0
 colorama==0.4.6
 psutil==6.0.0
 django-prometheus==2.3.1
-prometheus-client==0.20.0
+prometheus-client==0.21.0