diff --git a/apps/code/gitea/kustomization.yaml b/apps/code/gitea/kustomization.yaml
index 364152c769f916fe494ebac54c870918a97b54d9..b2fbee57466177a9232215528e40b3fbe97f64af 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/v1beta2
 kind: Kustomization
 resources:
   - gitea-release.yaml
diff --git a/apps/do/do-test/kustomization.yaml b/apps/do/do-test/kustomization.yaml
index 54362b7fcf624329f57ce958ee6e08ef1dd4d570..e1493311eebfdc916c699e926d9118a8be5cf30e 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/v1beta2
 kind: Kustomization
 resources:
   - vikunja-oauth-client.yaml
diff --git a/apps/do/vikunja/kustomization.yaml b/apps/do/vikunja/kustomization.yaml
index ad6bfb6446fcec266c0b6a7a4a37323485147528..dd476a0b23eb829c7a04e1512d417e1c3ac5a04f 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/v1beta2
 kind: Kustomization
 resources:
   - vikunja-oauth-client.yaml
diff --git a/apps/generate-kustomizations.sh b/apps/generate-kustomizations.sh
index 7a5ce1a16963664dd0bf975d379970f6fb5764a0..1d4f2cc3646dc3c0d1b1b82d19d9e7532888bf72 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/v1beta2
 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..1f184f5045cc29a57dac1e5a2e0de2cd0dc66970 100644
--- a/apps/kustomization.yaml
+++ b/apps/kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.config.k8s.io/v1
+apiVersion: kustomize.config.k8s.io/v1beta2
 kind: Kustomization
 resources:
   - ninja-kustomization.yaml
diff --git a/apps/ninja/invoiceninja-secrets/kustomization.yaml b/apps/ninja/invoiceninja-secrets/kustomization.yaml
index 1fe405ce2663cc22ff36a3a7f243cd4e2576c520..75e8b1e108995cfa8ef00be5613c95d208d10a0e 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/v1beta2
 kind: Kustomization
 resources:
   - invoiceninja-variables.yaml
diff --git a/apps/ninja/invoiceninja/kustomization.yaml b/apps/ninja/invoiceninja/kustomization.yaml
index bd82a0181f4fed513c8bcd654c2d8bf880b250dc..166da554a1d573918e6c9991aace19a62226c357 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/v1beta2
 kind: Kustomization
 resources:
   - invoiceninja-mariadb-pvc.yaml
diff --git a/apps/people/suitecrm/kustomization.yaml b/apps/people/suitecrm/kustomization.yaml
index 8e552e344dfe23d841b838c0733b14256ee0dbae..cb44b7b0bd11586e40a8ea24f17b8dfef9305bd7 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/v1beta2
 kind: Kustomization
 resources:
   - suitecrm-values-configmap.yaml