diff --git a/hack/installers/checksums/kustomize_5.4.3_darwin_amd64.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_darwin_amd64.tar.gz.sha256
new file mode 100644
index 0000000000..296ad23aa6
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_darwin_amd64.tar.gz.sha256
@@ -0,0 +1 @@
+6a708ef727594bbb5f2b8f9f8049375a6028d57fa8897c1f9e78effde4e403a2  kustomize_5.4.3_darwin_amd64.tar.gz
diff --git a/hack/installers/checksums/kustomize_5.4.3_darwin_arm64.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_darwin_arm64.tar.gz.sha256
new file mode 100644
index 0000000000..36c2d941fc
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_darwin_arm64.tar.gz.sha256
@@ -0,0 +1 @@
+3e159813a5feae46726fb22736b8764f2dbac83ba982c91ccd0244762456272c  kustomize_5.4.3_darwin_arm64.tar.gz
diff --git a/hack/installers/checksums/kustomize_5.4.3_linux_amd64.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_linux_amd64.tar.gz.sha256
new file mode 100644
index 0000000000..5dbbd76cb3
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_linux_amd64.tar.gz.sha256
@@ -0,0 +1 @@
+3669470b454d865c8184d6bce78df05e977c9aea31c30df3c669317d43bcc7a7  kustomize_5.4.3_linux_amd64.tar.gz
diff --git a/hack/installers/checksums/kustomize_5.4.3_linux_arm64.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_linux_arm64.tar.gz.sha256
new file mode 100644
index 0000000000..a825d8b1a7
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_linux_arm64.tar.gz.sha256
@@ -0,0 +1 @@
+1b515578b0af12c15d9856720066ce2fe66756d63785b2cbccaf2885beb2381c  kustomize_5.4.3_linux_arm64.tar.gz
diff --git a/hack/installers/checksums/kustomize_5.4.3_linux_ppc64le.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_linux_ppc64le.tar.gz.sha256
new file mode 100644
index 0000000000..f258e84c65
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_linux_ppc64le.tar.gz.sha256
@@ -0,0 +1 @@
+56bbb3d0f5e499410932da0b0c347ea3dcd18006a93039e0e993b5193933e721  kustomize_5.4.3_linux_ppc64le.tar.gz
diff --git a/hack/installers/checksums/kustomize_5.4.3_linux_s390x.tar.gz.sha256 b/hack/installers/checksums/kustomize_5.4.3_linux_s390x.tar.gz.sha256
new file mode 100644
index 0000000000..4b4e98494b
--- /dev/null
+++ b/hack/installers/checksums/kustomize_5.4.3_linux_s390x.tar.gz.sha256
@@ -0,0 +1 @@
+c575eba2f46c4701d1897a9b27c422d42d6381adb679435bc3e0d7c0da5abe44  kustomize_5.4.3_linux_s390x.tar.gz
diff --git a/hack/tool-versions.sh b/hack/tool-versions.sh
index 018f183aa6..28ca1cda43 100644
--- a/hack/tool-versions.sh
+++ b/hack/tool-versions.sh
@@ -14,5 +14,5 @@
 helm3_version=3.15.2
 kubectl_version=1.17.8
 kubectx_version=0.6.3
-kustomize5_version=5.4.2
+kustomize5_version=5.4.3
 protoc_version=27.2