diff --git a/deploy/charts/cert-manager/templates/cainjector-deployment.yaml b/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
index fff5b9a5f..a6fe4b61b 100644
--- a/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
+++ b/deploy/charts/cert-manager/templates/cainjector-deployment.yaml
@@ -3,7 +3,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "cainjector.fullname" . }}
-  namespace: {{ .Release.Namespace | quote }}
+  namespace: {{ .Values.namespace | default .Release.Namespace | quote }}
   labels:
     app: {{ include "cainjector.name" . }}
     app.kubernetes.io/name: {{ include "cainjector.name" . }}
diff --git a/deploy/charts/cert-manager/templates/deployment.yaml b/deploy/charts/cert-manager/templates/deployment.yaml
index 53fb13af5..b5dafd66e 100644
--- a/deploy/charts/cert-manager/templates/deployment.yaml
+++ b/deploy/charts/cert-manager/templates/deployment.yaml
@@ -2,7 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ template "cert-manager.fullname" . }}
-  namespace: {{ .Release.Namespace | quote }}
+  namespace: {{ .Values.namespace | default .Release.Namespace | quote }}
   labels:
     app: {{ template "cert-manager.name" . }}
     app.kubernetes.io/name: {{ template "cert-manager.name" . }}
diff --git a/deploy/charts/cert-manager/templates/webhook-deployment.yaml b/deploy/charts/cert-manager/templates/webhook-deployment.yaml
index c5e7bb056..d4793fd21 100644
--- a/deploy/charts/cert-manager/templates/webhook-deployment.yaml
+++ b/deploy/charts/cert-manager/templates/webhook-deployment.yaml
@@ -2,7 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "webhook.fullname" . }}
-  namespace: {{ .Release.Namespace | quote }}
+  namespace: {{ .Values.namespace | default .Release.Namespace | quote }}
   labels:
     app: {{ include "webhook.name" . }}
     app.kubernetes.io/name: {{ include "webhook.name" . }}
diff --git a/deploy/charts/cert-manager/values.yaml b/deploy/charts/cert-manager/values.yaml
index 35bcff225..dbd3419d1 100644
--- a/deploy/charts/cert-manager/values.yaml
+++ b/deploy/charts/cert-manager/values.yaml
@@ -74,6 +74,11 @@ image:
 # used. This namespace will not be automatically created by the Helm chart.
 clusterResourceNamespace: ""
 
+# This namespace allows you to define where the services will be installed into
+# if not set then they will use the namespace of the release
+# This is helpful when installing cert manager as a chart dependency (sub chart)
+namespace: ""
+
 serviceAccount:
   # Specifies whether a service account should be created
   create: true