diff --git a/docs/crds/notification-manager.md b/docs/crds/notification-manager.md
index 9c378c23..83bc9204 100644
--- a/docs/crds/notification-manager.md
+++ b/docs/crds/notification-manager.md
@@ -68,6 +68,7 @@ A NotificationManager resource allows the user to define:
 
 Properties of Notification Manager webhook deployment.
 - `resources`
+- `env`
 - `image`
 - `imagePullPolicy`
 - `replicas`
diff --git a/pkg/apis/v2beta2/zz_generated.deepcopy.go b/pkg/apis/v2beta2/zz_generated.deepcopy.go
index a4824c71..1d9b350a 100644
--- a/pkg/apis/v2beta2/zz_generated.deepcopy.go
+++ b/pkg/apis/v2beta2/zz_generated.deepcopy.go
@@ -948,6 +948,13 @@ func (in *NotificationManagerSpec) DeepCopyInto(out *NotificationManagerSpec) {
 		*out = new(ReceiversSpec)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.Env != nil {
+		in, out := &in.Env, &out.Env
+		*out = make([]v1.EnvVar, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 	if in.Volumes != nil {
 		in, out := &in.Volumes, &out.Volumes
 		*out = make([]v1.Volume, len(*in))