diff --git a/bootstrap/flux-system/gotk-components.yaml b/bootstrap/flux-system/gotk-components.yaml
index 95f01cd9..1e67120a 100644
--- a/bootstrap/flux-system/gotk-components.yaml
+++ b/bootstrap/flux-system/gotk-components.yaml
@@ -5299,7 +5299,7 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: metadata.namespace
-        image: ghcr.io/fluxcd/kustomize-controller:v1.3.0
+        image: ghcr.io/fluxcd/kustomize-controller:v1.4.0
         imagePullPolicy: IfNotPresent
         livenessProbe:
           httpGet: