diff --git a/requirements.txt b/requirements.txt
index 5088c93..f452fcf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ uvicorn==0.35.0
 gunicorn==22.0.0
 click==8.2.1
 fpdf2==2.8.4
-prometheus-client==0.20.0
+prometheus-client==0.23.1