diff --git a/deploy/charts/cert-manager/README.md b/deploy/charts/cert-manager/README.md
index 881394c9f..7d949a560 100644
--- a/deploy/charts/cert-manager/README.md
+++ b/deploy/charts/cert-manager/README.md
@@ -79,7 +79,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `global.podSecurityPolicy.enabled` | If `true`, create and use PodSecurityPolicy (includes sub-charts) | `false` |
 | `global.leaderElection.namespace` | Override the namespace used to store the ConfigMap for leader election | `kube-system` |
 | `image.repository` | Image repository | `quay.io/jetstack/cert-manager-controller` |
-| `image.tag` | Image tag | `v0.12.0` |
+| `image.tag` | Image tag | `v0.13.0-alpha.0` |
 | `image.pullPolicy` | Image pull policy | `IfNotPresent` |
 | `replicaCount`  | Number of cert-manager replicas  | `1` |
 | `clusterResourceNamespace` | Override the namespace used to store DNS provider credentials etc. for ClusterIssuer resources | Same namespace as cert-manager pod |
@@ -124,7 +124,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `webhook.affinity` | Node affinity for webhook pod assignment | `{}` |
 | `webhook.tolerations` | Node tolerations for webhook pod assignment | `[]` |
 | `webhook.image.repository` | Webhook image repository | `quay.io/jetstack/cert-manager-webhook` |
-| `webhook.image.tag` | Webhook image tag | `v0.12.0-beta.1` |
+| `webhook.image.tag` | Webhook image tag | `v0.13.0-alpha.0` |
 | `webhook.image.pullPolicy` | Webhook image pull policy | `IfNotPresent` |
 | `webhook.injectAPIServerCA` | if true, the apiserver's CABundle will be automatically injected into the ValidatingWebhookConfiguration resource | `true` |
 | `webhook.securePort` | The port that the webhook should listen on for requests. | `10250` |
@@ -139,7 +139,7 @@ The following table lists the configurable parameters of the cert-manager chart
 | `cainjector.affinity` | Node affinity for cainjector pod assignment | `{}` |
 | `cainjector.tolerations` | Node tolerations for cainjector pod assignment | `[]` |
 | `cainjector.image.repository` | cainjector image repository | `quay.io/jetstack/cert-manager-cainjector` |
-| `cainjector.image.tag` | cainjector image tag | `v0.12.0-beta.1` |
+| `cainjector.image.tag` | cainjector image tag | `v0.13.0-alpha.0` |
 | `cainjector.image.pullPolicy` | cainjector image pull policy | `IfNotPresent` |
 | `cainjector.securityContext` | Security context for cainjector pod assignment | `{}` |