diff --git a/apps/guard-api/requirements.txt b/apps/guard-api/requirements.txt
index 75ebac2..c5d8681 100644
--- a/apps/guard-api/requirements.txt
+++ b/apps/guard-api/requirements.txt
@@ -4,4 +4,4 @@ httpx==0.28.1
 temporalio==1.5.0
 nats-py==2.11.0
 pydantic==2.5.0
-prometheus-client==0.22.1
+prometheus-client==0.23.1