diff --git a/charts/cert-manager/templates/cainjector-poddisruptionbudget.yaml b/charts/cert-manager/templates/cainjector-poddisruptionbudget.yaml
new file mode 100644
index 0000000..f080b75
--- /dev/null
+++ b/charts/cert-manager/templates/cainjector-poddisruptionbudget.yaml
@@ -0,0 +1,26 @@
+{{- if .Values.cainjector.podDisruptionBudget.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "cainjector.fullname" . }}
+  namespace: {{ include "cert-manager.namespace" . }}
+  labels:
+    app: {{ include "cainjector.name" . }}
+    app.kubernetes.io/name: {{ include "cainjector.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: "cainjector"
+    {{- include "labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "cainjector.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/component: "cainjector"
+
+  {{- with .Values.cainjector.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ . }}
+  {{- end }}
+  {{- with .Values.cainjector.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ . }}
+  {{- end }}
+{{- end }}