diff --git a/requirements.txt b/requirements.txt
index bb189e252..ee9606c8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ tabulate==0.9.0
 zipstream-new==1.1.8
 pika==1.3.2
 sentry-sdk[flask]==2.10.0
-prometheus-client==0.17.1
+prometheus-client==0.21.1
 lxml==5.3.0
 lxml_html_clean==0.3.1
 pyicu==2.14