diff --git a/Makefile b/Makefile
index 01c411dc..8701e2b8 100644
--- a/Makefile
+++ b/Makefile
@@ -148,7 +148,7 @@ KIND_CLUSTER_NAME ?= etcd-operator-kind
 NAMESPACE ?= etcd-operator-system
 
 # renovate: datasource=github-tags depName=prometheus-operator/prometheus-operator
-PROMETHEUS_OPERATOR_VERSION ?= v0.72.0
+PROMETHEUS_OPERATOR_VERSION ?= v0.73.0
 # renovate: datasource=github-tags depName=jetstack/cert-manager
 CERT_MANAGER_VERSION ?= v1.14.4
 
diff --git a/test/utils/utils.go b/test/utils/utils.go
index 986a7cd7..638436ab 100644
--- a/test/utils/utils.go
+++ b/test/utils/utils.go
@@ -26,7 +26,7 @@ import (
 )
 
 const (
-	prometheusOperatorVersion = "v0.72.0"
+	prometheusOperatorVersion = "v0.73.0"
 	prometheusOperatorURL     = "https://github.com/prometheus-operator/prometheus-operator/" +
 		"releases/download/%s/bundle.yaml"