diff --git a/charts/enterprise/metallb/Chart.yaml b/charts/enterprise/metallb/Chart.yaml
index 86bfb8c8a76..22dd13d79da 100644
--- a/charts/enterprise/metallb/Chart.yaml
+++ b/charts/enterprise/metallb/Chart.yaml
@@ -25,7 +25,7 @@ sources:
   - https://github.com/metallb/metallb
   - https://metallb.universe.tf
 type: application
-version: 4.0.5
+version: 4.0.6
 annotations:
   truecharts.org/catagories: |
     - core
diff --git a/charts/enterprise/metallb/templates/bgpadvertisement.yaml b/charts/enterprise/metallb/templates/bgpadvertisement.yaml
index 38ff48cd7d9..0b8d3b3fbbf 100644
--- a/charts/enterprise/metallb/templates/bgpadvertisement.yaml
+++ b/charts/enterprise/metallb/templates/bgpadvertisement.yaml
@@ -1,4 +1,7 @@
 {{- range .Values.BGPAdvertisements }}
+{{- if .Release.IsInstall  }}
+{{- fail "Please only add MetalLB configuration after initial installation" }}
+{{- end }}
 ---
 apiVersion: metallb.io/v1beta1
 kind: BGPAdvertisement
diff --git a/charts/enterprise/metallb/templates/community.yaml b/charts/enterprise/metallb/templates/community.yaml
index c73e32133f2..882ae519be7 100644
--- a/charts/enterprise/metallb/templates/community.yaml
+++ b/charts/enterprise/metallb/templates/community.yaml
@@ -1,4 +1,7 @@
 {{- if .Values.Communities }}
+{{- if .Release.IsInstall  }}
+{{- fail "Please only add MetalLB configuration after initial installation" }}
+{{- end }}
 ---
 apiVersion: metallb.io/v1beta1
 kind: Community
diff --git a/charts/enterprise/metallb/templates/ipaddresspool.yaml b/charts/enterprise/metallb/templates/ipaddresspool.yaml
index 3ab5ca4ab7c..b48cfd093dc 100644
--- a/charts/enterprise/metallb/templates/ipaddresspool.yaml
+++ b/charts/enterprise/metallb/templates/ipaddresspool.yaml
@@ -1,4 +1,7 @@
 {{- range .Values.ipAddressPools }}
+{{- if .Release.IsInstall  }}
+{{- fail "Please only add MetalLB configuration after initial installation" }}
+{{- end }}
 ---
 apiVersion: metallb.io/v1beta1
 kind: IPAddressPool
diff --git a/charts/enterprise/metallb/templates/l2advertisement.yaml b/charts/enterprise/metallb/templates/l2advertisement.yaml
index 3e76bff79b5..8ac5ffa18dc 100644
--- a/charts/enterprise/metallb/templates/l2advertisement.yaml
+++ b/charts/enterprise/metallb/templates/l2advertisement.yaml
@@ -1,4 +1,7 @@
 {{- range .Values.L2Advertisements }}
+{{- if .Release.IsInstall  }}
+{{- fail "Please only add MetalLB configuration after initial installation" }}
+{{- end }}
 ---
 apiVersion: metallb.io/v1beta1
 kind: L2Advertisement
diff --git a/charts/enterprise/metallb/templates/peers.yaml b/charts/enterprise/metallb/templates/peers.yaml
index a9bfa24d7cf..91bc888cf88 100644
--- a/charts/enterprise/metallb/templates/peers.yaml
+++ b/charts/enterprise/metallb/templates/peers.yaml
@@ -1,4 +1,7 @@
 {{- range .Values.Peers }}
+{{- if .Release.IsInstall  }}
+{{- fail "Please only add MetalLB configuration after initial installation" }}
+{{- end }}
 ---
 apiVersion: metallb.io/v1beta2
 kind: BGPPeer