diff --git a/apps/code/gitea/kustomization.yaml b/apps/code/gitea/kustomization.yaml
index 364152c769f916fe494ebac54c870918a97b54d9..938a8c1db66a324eb7742c815d04640c190e7bcb 100644
--- a/apps/code/gitea/kustomization.yaml
+++ b/apps/code/gitea/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - gitea-release.yaml
diff --git a/apps/do/do-test/kustomization.yaml b/apps/do/do-test/kustomization.yaml
index 54362b7fcf624329f57ce958ee6e08ef1dd4d570..4aa48ff803106503f64443cd7b061917588c6e2f 100644
--- a/apps/do/do-test/kustomization.yaml
+++ b/apps/do/do-test/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - vikunja-oauth-client.yaml
diff --git a/apps/do/vikunja/kustomization.yaml b/apps/do/vikunja/kustomization.yaml
index ad6bfb6446fcec266c0b6a7a4a37323485147528..8520b27355477a8cd9d9f0abb2e4dc5e8a6a4f78 100644
--- a/apps/do/vikunja/kustomization.yaml
+++ b/apps/do/vikunja/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - vikunja-oauth-client.yaml
diff --git a/apps/generate-kustomizations.sh b/apps/generate-kustomizations.sh
index 7a5ce1a16963664dd0bf975d379970f6fb5764a0..857f418630dc8e1a65d0492fe556a7f900f5b766 100755
--- a/apps/generate-kustomizations.sh
+++ b/apps/generate-kustomizations.sh
@@ -2,7 +2,7 @@
 # Generates kubernetes kustomizations
 if test $# -gt 0
 then dir=$1
-	{ echo 'apiVersion: kustomize.config.k8s.io/v1
+	{ echo 'apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:'
 	find $dir -maxdepth 1 -type f -name "*.yaml" -not -name "kustomization.yaml" -printf "  - %f\n"; } | tee $dir/kustomization.yaml
diff --git a/apps/kustomization.yaml b/apps/kustomization.yaml
index 78839facf0756a1a35f2e16d0660c37e737f31cb..f6e32efe82d1ab50a7ba7be26a509b44abeb7cb6 100644
--- a/apps/kustomization.yaml
+++ b/apps/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - ninja-kustomization.yaml
diff --git a/apps/ninja/invoiceninja-secrets/kustomization.yaml b/apps/ninja/invoiceninja-secrets/kustomization.yaml
index 1fe405ce2663cc22ff36a3a7f243cd4e2576c520..01e50f0dd3de31baddfee2dc5a929c4766d299eb 100644
--- a/apps/ninja/invoiceninja-secrets/kustomization.yaml
+++ b/apps/ninja/invoiceninja-secrets/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - invoiceninja-variables.yaml
diff --git a/apps/ninja/invoiceninja/kustomization.yaml b/apps/ninja/invoiceninja/kustomization.yaml
index bd82a0181f4fed513c8bcd654c2d8bf880b250dc..bed32ae61c328d6d0773305a784e5e513f99e2ea 100644
--- a/apps/ninja/invoiceninja/kustomization.yaml
+++ b/apps/ninja/invoiceninja/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - invoiceninja-mariadb-pvc.yaml
diff --git a/apps/people/suitecrm/kustomization.yaml b/apps/people/suitecrm/kustomization.yaml
index 8e552e344dfe23d841b838c0733b14256ee0dbae..6ebe0bcdaf15dc4abcb32f457d2de8ed356997df 100644
--- a/apps/people/suitecrm/kustomization.yaml
+++ b/apps/people/suitecrm/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - suitecrm-values-configmap.yaml