diff --git a/requirements.txt b/requirements.txt
index 9e26cf6..d790523 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-prometheus_client==0.19.0
+prometheus_client==0.20.0
 python-neutronclient==11.1.0
 python-ironicclient==5.4.0
 python-dotenv==1.0.1