diff --git a/tbrntmon/prometheus.yaml b/tbrntmon/prometheus.yaml
index 807b60e..6fe114b 100644
--- a/tbrntmon/prometheus.yaml
+++ b/tbrntmon/prometheus.yaml
@@ -6,7 +6,7 @@ metadata:
   name: tbrntmon
   namespace: tbrntmon
 spec:
-  image: quay.io/prometheus/prometheus:v2.21.0
+  image: quay.io/prometheus/prometheus:v2.22.0
   version: v2.19.2
   podMonitorNamespaceSelector:
     matchLabels: