diff --git a/CHANGES.md b/CHANGES.md
index c791bfcd..f1b825e8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -30,7 +30,7 @@ Notable changes between versions.
 
 #### Addons
 
-* Update Prometheus from v2.3.2 to v2.4.2
+* Update Prometheus from v2.3.2 to v2.4.3
 * Update Grafana from v5.2.4 to v5.3.1
 
 ## v1.11.3
diff --git a/addons/prometheus/deployment.yaml b/addons/prometheus/deployment.yaml
index 4b8e4848..d8674218 100644
--- a/addons/prometheus/deployment.yaml
+++ b/addons/prometheus/deployment.yaml
@@ -20,7 +20,7 @@ spec:
       serviceAccountName: prometheus
       containers:
         - name: prometheus
-          image: quay.io/prometheus/prometheus:v2.4.2
+          image: quay.io/prometheus/prometheus:v2.4.3
           args:
             - --web.listen-address=0.0.0.0:9090
             - --config.file=/etc/prometheus/prometheus.yaml