diff --git a/charts/flagger/templates/prometheus.yaml b/charts/flagger/templates/prometheus.yaml
index bca9ab14..c49d3f96 100644
--- a/charts/flagger/templates/prometheus.yaml
+++ b/charts/flagger/templates/prometheus.yaml
@@ -238,7 +238,7 @@ spec:
       serviceAccountName: {{ template "flagger.serviceAccountName" . }}-prometheus
       containers:
         - name: prometheus
-          image: "docker.io/prom/prometheus:v2.10.0"
+          image: "docker.io/prom/prometheus:v2.12.0"
           imagePullPolicy: IfNotPresent
           args:
             - '--storage.tsdb.retention=2h'
diff --git a/kustomize/base/prometheus/deployment.yaml b/kustomize/base/prometheus/deployment.yaml
index 3d5a2736..9a96d919 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:v2.10.0
+            image: prom/prometheus:v2.12.0
             imagePullPolicy: IfNotPresent
             args:
               - '--storage.tsdb.retention=2h'