diff --git a/charts/cert-manager/templates/deployment.yaml b/charts/cert-manager/templates/deployment.yaml
index 6e74f1e..aea5736 100644
--- a/charts/cert-manager/templates/deployment.yaml
+++ b/charts/cert-manager/templates/deployment.yaml
@@ -113,10 +113,22 @@
           {{- if .Values.maxConcurrentChallenges }}
           - --max-concurrent-challenges={{ .Values.maxConcurrentChallenges }}
           {{- end }}
+          {{- if .Values.enableCertificateOwnerRef }}
+          - --enable-certificate-owner-ref=true
+          {{- end }}
+          {{- if .Values.dns01RecursiveNameserversOnly }}
+          - --dns01-recursive-nameservers-only=true
+          {{- end }}
+          {{- with .Values.dns01RecursiveNameservers }}
+          - --dns01-recursive-nameservers={{ . }}
+          {{- end }}
           ports:
           - containerPort: 9402
             name: http-metrics
             protocol: TCP
+          - containerPort: 9403
+            name: http-healthz
+            protocol: TCP
           {{- with .Values.containerSecurityContext }}
           securityContext:
             {{- toYaml . | nindent 12 }}
@@ -149,6 +161,24 @@
           resources:
             {{- toYaml . | nindent 12 }}
           {{- end }}
+
+          {{- with .Values.livenessProbe }}
+          {{- if .enabled }}
+          # LivenessProbe settings are based on those used for the Kubernetes
+          # controller-manager. See:
+          # https://github.com/kubernetes/kubernetes/blob/806b30170c61a38fedd54cc9ede4cd6275a1ad3b/cmd/kubeadm/app/util/staticpod/utils.go#L241-L245
+          livenessProbe:
+            httpGet:
+              port: http-healthz
+              path: /livez
+              scheme: HTTP
+            initialDelaySeconds: {{ .initialDelaySeconds }}
+            periodSeconds: {{ .periodSeconds }}
+            timeoutSeconds: {{ .timeoutSeconds }}
+            successThreshold: {{ .successThreshold }}
+            failureThreshold: {{ .failureThreshold }}
+          {{- end }}
+          {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}