diff --git a/docs/book/src/cronjob-tutorial/testdata/project/Makefile b/docs/book/src/cronjob-tutorial/testdata/project/Makefile
index 6e9aa885fc3..83a48ff4e57 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/Makefile
+++ b/docs/book/src/cronjob-tutorial/testdata/project/Makefile
@@ -162,7 +162,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/docs/book/src/getting-started/testdata/project/Makefile b/docs/book/src/getting-started/testdata/project/Makefile
index 25b96f62080..07b91331372 100644
--- a/docs/book/src/getting-started/testdata/project/Makefile
+++ b/docs/book/src/getting-started/testdata/project/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/pkg/plugins/common/kustomize/v2/plugin.go b/pkg/plugins/common/kustomize/v2/plugin.go
index c47e8067f1b..29623e256ca 100644
--- a/pkg/plugins/common/kustomize/v2/plugin.go
+++ b/pkg/plugins/common/kustomize/v2/plugin.go
@@ -25,7 +25,7 @@ import (
 )
 
 // KustomizeVersion is the kubernetes-sigs/kustomize version to be used in the project
-const KustomizeVersion = "v5.4.2"
+const KustomizeVersion = "v5.4.3"
 
 const pluginName = "kustomize.common." + plugins.DefaultNameQualifier
 
diff --git a/testdata/project-v4-multigroup-with-deploy-image/Makefile b/testdata/project-v4-multigroup-with-deploy-image/Makefile
index 53426582261..3b1c9049ddc 100644
--- a/testdata/project-v4-multigroup-with-deploy-image/Makefile
+++ b/testdata/project-v4-multigroup-with-deploy-image/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/testdata/project-v4-multigroup/Makefile b/testdata/project-v4-multigroup/Makefile
index a1b5930e242..a715688e40f 100644
--- a/testdata/project-v4-multigroup/Makefile
+++ b/testdata/project-v4-multigroup/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/testdata/project-v4-with-deploy-image/Makefile b/testdata/project-v4-with-deploy-image/Makefile
index f215721ef96..44a0883d740 100644
--- a/testdata/project-v4-with-deploy-image/Makefile
+++ b/testdata/project-v4-with-deploy-image/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/testdata/project-v4-with-grafana/Makefile b/testdata/project-v4-with-grafana/Makefile
index e274cae2152..316ae9c54f1 100644
--- a/testdata/project-v4-with-grafana/Makefile
+++ b/testdata/project-v4-with-grafana/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1
diff --git a/testdata/project-v4/Makefile b/testdata/project-v4/Makefile
index 8e7fcba2b14..d72b16b0cdf 100644
--- a/testdata/project-v4/Makefile
+++ b/testdata/project-v4/Makefile
@@ -158,7 +158,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 CONTROLLER_TOOLS_VERSION ?= v0.16.1
 ENVTEST_VERSION ?= release-0.19
 GOLANGCI_LINT_VERSION ?= v1.59.1