diff --git a/Formula/l/lightgbm.rb b/Formula/l/lightgbm.rb
index da8fc50d4081..a0520f127092 100644
--- a/Formula/l/lightgbm.rb
+++ b/Formula/l/lightgbm.rb
@@ -2,18 +2,18 @@ class Lightgbm < Formula
   desc "Fast, distributed, high performance gradient boosting framework"
   homepage "https://github.com/microsoft/LightGBM"
   url "https://github.com/microsoft/LightGBM.git",
-      tag:      "v4.4.0",
-      revision: "271d1ffdf847aeda0d7aa3351bd3fc1ee952dbe6"
+      tag:      "v4.5.0",
+      revision: "3f7e6081275624edfca1f9b3096bea7a81a744ed"
   license "MIT"
 
   bottle do
-    sha256 cellar: :any,                 arm64_sonoma:   "63abe5178fee95e741353a61815e1b38d2995d69b4001a9a44565906a82a7796"
-    sha256 cellar: :any,                 arm64_ventura:  "068b324396ef9a6a3c9bb6e9e607ba43f276db2fa0841c40eace87d21ea1af50"
-    sha256 cellar: :any,                 arm64_monterey: "cee2258e46e5962c7743764886d6f6c6288e39d62394f2cc383cfb7c816b9bfa"
-    sha256 cellar: :any,                 sonoma:         "402e4b2b060bfdb8bbfe8916faeef5ab1d334dbb5baef5dd00e493207942f894"
-    sha256 cellar: :any,                 ventura:        "ac51862b246ee4959ac84f2bfa70d1b32714eb1e5b4d913ee604cc24a5f3e682"
-    sha256 cellar: :any,                 monterey:       "6faf17bb9fd4e4366f0e480fd7067a096ebb5141bef105efc9c96a24ae28f0e4"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:   "2a8545d49cac4f6f5f7ab2609e61f58bb0691acdb44f89bebd30b667eaf95c3c"
+    sha256 cellar: :any,                 arm64_sonoma:   "978165b249362451083befd02d5a896a162576adf9e3d43f1f21e9013ca42468"
+    sha256 cellar: :any,                 arm64_ventura:  "d045a7be5f3f48f88ce1b04c9c64c45c835110f4675f78f29d1302de708548b4"
+    sha256 cellar: :any,                 arm64_monterey: "522a7d56a64386fde0e8b7df39c1a59a9040833b4063246abf0a229ec2d74fb6"
+    sha256 cellar: :any,                 sonoma:         "db82709068ba820c02629798f393d08165c062a49747cdaccb33cbbc9e9cf187"
+    sha256 cellar: :any,                 ventura:        "d873dbe714ff9f81371a65a5986cacd36eb9330dd5afc969462064943a54bcfd"
+    sha256 cellar: :any,                 monterey:       "05623d0d1c032e242986788bb5f6a74b23b39165ac9f1c6abca0a9582205efb5"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:   "6d1a4895d4c9783ef4f1d218571ff677754a8c52cc6283d314e0d9d619c486a6"
   end
 
   depends_on "cmake" => :build