diff --git a/Formula/l/languagetool.rb b/Formula/l/languagetool.rb
index 88e9f20b0dd2d..cf1229662b20c 100644
--- a/Formula/l/languagetool.rb
+++ b/Formula/l/languagetool.rb
@@ -2,26 +2,25 @@ class Languagetool < Formula
   desc "Style and grammar checker"
   homepage "https://www.languagetool.org/"
   url "https://github.com/languagetool-org/languagetool.git",
-      tag:      "v6.2",
-      revision: "2fe7ae723aa7f2212dc5a71247010af981322543"
+      tag:      "v6.3-branch",
+      revision: "fb238b2a32bc72714632a399c9b47abbe9f1c0c1"
+  version "6.3"
   license "LGPL-2.1-or-later"
   head "https://github.com/languagetool-org/languagetool.git", branch: "master"
 
   livecheck do
     url :stable
-    regex(/^v?(\d+(?:\.\d+)+)$/i)
+    regex(/^v?(\d+(?:\.\d+)+)(-branch)?$/i)
   end
 
   bottle do
-    sha256 cellar: :any_skip_relocation, arm64_sonoma:   "74238f26f888f1513dbd0ba07ae8b3cf439b9a37ea81e62acaba4591885373ad"
-    sha256 cellar: :any_skip_relocation, arm64_ventura:  "4d07d52b4f44349f74f7cdb77964972d583e4cf7bd27baa2af6e125ca7d74aca"
-    sha256 cellar: :any_skip_relocation, arm64_monterey: "2cd21adb77a1f11206ae2428e6d9856d5d8907fc15547b6b1b05a4e9ebbb0ec1"
-    sha256 cellar: :any_skip_relocation, arm64_big_sur:  "501c2ed3ed592818a1359b77a8ebd382d65d4bf8983063f001174afe695b752c"
-    sha256 cellar: :any_skip_relocation, sonoma:         "bfc0614d09c75a137046b230c9ab90a16db90308f5a99b54a5be79bdc3f1e84e"
-    sha256 cellar: :any_skip_relocation, ventura:        "8a468159d1b3b14432ff0cd83a46b4011e268612a45ea58ef90acc6b41e6f741"
-    sha256 cellar: :any_skip_relocation, monterey:       "fa7ec4174d93c00084936ae45ca32f6a541ba224a71e22b8646a94ad3a1eb18b"
-    sha256 cellar: :any_skip_relocation, big_sur:        "0bc2df167adf00bd1e129786563a966bf51887846b74dbcbd8e5016a6088821f"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:   "0ff1125eeb79f209bb4575a1edb79900b3f97925379a98055dc79488029d0cbc"
+    sha256 cellar: :any_skip_relocation, arm64_sonoma:   "43281f7997148a31749dc9d9b3a351225f657177093a5f0e36656175d04eaec2"
+    sha256 cellar: :any_skip_relocation, arm64_ventura:  "286ed2bfa59a9a1bbca24fb6fc07e375c3e0c06652f0ea2b29ea4bfac2cbacb6"
+    sha256 cellar: :any_skip_relocation, arm64_monterey: "16b8b650732825a83278a32f3f3d6bd21a9778b38a3998b41d2bb8970c7ff636"
+    sha256 cellar: :any_skip_relocation, sonoma:         "f0e6d9d3b3be033c1c1a1102c6928ee15c2bd0a2eb98a264d84f5c2a762baede"
+    sha256 cellar: :any_skip_relocation, ventura:        "7c6947d74f32186972b382de9244257afe5a7fc7514cb53a405a0b8595f470fa"
+    sha256 cellar: :any_skip_relocation, monterey:       "dcc44613b44ba5528525058d8d7746447267efce32fa9254bbdf544ef1704b7e"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:   "ae965ca476fe15b349e4fa0a85f7e1ce14a9961c2c1cbbbcd6d4c215aabeffc2"
   end
 
   depends_on "maven" => :build