diff --git a/CHANGES.md b/CHANGES.md
index d3e8a999..d8857764 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,10 @@ Notable changes between versions.
   * Google Cloud API implements `min_cpu_platform` to mean "use exactly this CPU". Revert [#405](https://github.com/poseidon/typhoon/pull/405) added in v1.13.4.
   * Fix error creating clusters in new regions without Haswell (e.g. europe-west2) ([#438](https://github.com/poseidon/typhoon/issues/438))
 
+#### Addons
+
+* Update Prometheus from v2.8.0 to v2.8.1
+
 ## v1.13.5
 
 * Kubernetes [v1.13.5](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1135)
diff --git a/addons/prometheus/deployment.yaml b/addons/prometheus/deployment.yaml
index ccb727bf..25447598 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:v2.8.0
+          image: quay.io/prometheus/prometheus:v2.8.1
           args:
             - --web.listen-address=0.0.0.0:9090
             - --config.file=/etc/prometheus/prometheus.yaml