diff --git a/Formula/k/kubebuilder.rb b/Formula/k/kubebuilder.rb
index f1b3aa6b60178..014135d0e2425 100644
--- a/Formula/k/kubebuilder.rb
+++ b/Formula/k/kubebuilder.rb
@@ -2,18 +2,18 @@ class Kubebuilder < Formula
   desc "SDK for building Kubernetes APIs using CRDs"
   homepage "https://github.com/kubernetes-sigs/kubebuilder"
   url "https://github.com/kubernetes-sigs/kubebuilder.git",
-      tag:      "v4.3.0",
-      revision: "eae8b2182a65df49eb04ed63d6c45043b454905c"
+      tag:      "v4.3.1",
+      revision: "a9ee3909f7686902879bd666b92deec4718d92c9"
   license "Apache-2.0"
   head "https://github.com/kubernetes-sigs/kubebuilder.git", branch: "master"
 
   bottle do
-    sha256 cellar: :any_skip_relocation, arm64_sequoia: "d7860e00b9d761d20361903d544cf6f65de0660196837439310e75c21799464b"
-    sha256 cellar: :any_skip_relocation, arm64_sonoma:  "d7860e00b9d761d20361903d544cf6f65de0660196837439310e75c21799464b"
-    sha256 cellar: :any_skip_relocation, arm64_ventura: "d7860e00b9d761d20361903d544cf6f65de0660196837439310e75c21799464b"
-    sha256 cellar: :any_skip_relocation, sonoma:        "b68410ccb1257390c4f51b61b1a034975024365272c82c49d4a3d7d1294cc266"
-    sha256 cellar: :any_skip_relocation, ventura:       "b68410ccb1257390c4f51b61b1a034975024365272c82c49d4a3d7d1294cc266"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "d8260ad68fc4ad2c57f09f0c89a3621c9c578d7f98d327afc172002e001a8b89"
+    sha256 cellar: :any_skip_relocation, arm64_sequoia: "016d9d995f10b2fe1b1db2c05b60a64eef16564809d6076084461029b8528151"
+    sha256 cellar: :any_skip_relocation, arm64_sonoma:  "016d9d995f10b2fe1b1db2c05b60a64eef16564809d6076084461029b8528151"
+    sha256 cellar: :any_skip_relocation, arm64_ventura: "016d9d995f10b2fe1b1db2c05b60a64eef16564809d6076084461029b8528151"
+    sha256 cellar: :any_skip_relocation, sonoma:        "a020a5cfe836ae743f6873aa92dee596beef375b819b28ead26227458ef6cc4d"
+    sha256 cellar: :any_skip_relocation, ventura:       "a020a5cfe836ae743f6873aa92dee596beef375b819b28ead26227458ef6cc4d"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "2513a356dbea0491aa7a9fd001015b3be21eb1f23c53739a66c90a778994bcf5"
   end
 
   depends_on "go"