diff --git a/charts/flagger/templates/prometheus.yaml b/charts/flagger/templates/prometheus.yaml
index 8d1b0a16..46986a8e 100644
--- a/charts/flagger/templates/prometheus.yaml
+++ b/charts/flagger/templates/prometheus.yaml
@@ -230,7 +230,7 @@ spec:
       serviceAccountName: {{ template "flagger.serviceAccountName" . }}-prometheus
       containers:
         - name: prometheus
-          image: "docker.io/prom/prometheus:v2.15.2"
+          image: "docker.io/prom/prometheus:v2.16.0"
           imagePullPolicy: IfNotPresent
           args:
             - '--storage.tsdb.retention=2h'
diff --git a/kustomize/base/prometheus/deployment.yaml b/kustomize/base/prometheus/deployment.yaml
index 9766b632..1541b16b 100644
--- a/kustomize/base/prometheus/deployment.yaml
+++ b/kustomize/base/prometheus/deployment.yaml
@@ -19,7 +19,7 @@ spec:
       serviceAccountName: flagger-prometheus
       containers:
           - name: prometheus
-            image: prom/prometheus:v2.15.2
+            image: prom/prometheus:v2.16.0
             imagePullPolicy: IfNotPresent
             args:
               - '--storage.tsdb.retention=2h'
diff --git a/kustomize/base/prometheus/kustomization.yaml b/kustomize/base/prometheus/kustomization.yaml
index 27d4a0cb..7ecadf6d 100644
--- a/kustomize/base/prometheus/kustomization.yaml
+++ b/kustomize/base/prometheus/kustomization.yaml
@@ -10,6 +10,3 @@ configMapGenerator:
   - name: flagger-prometheus
     files:
       - prometheus.yml
-images:
-  - name: prom/prometheus
-    newTag: v2.15.2