diff --git a/Formula/m/mapnik.rb b/Formula/m/mapnik.rb
index 39cd9d4413da..0762a6b40a02 100644
--- a/Formula/m/mapnik.rb
+++ b/Formula/m/mapnik.rb
@@ -3,10 +3,9 @@ class Mapnik < Formula
   homepage "https://mapnik.org/"
   # needs submodules
   url "https://github.com/mapnik/mapnik.git",
-      tag:      "v4.0.2",
-      revision: "5f327ff3c88d8acca7c5db15b598258eea363aa7"
+      tag:      "v4.0.3",
+      revision: "e7a2bacb5d70f9c5fe0941906ce19137c0928522"
   license "LGPL-2.1-or-later"
-  revision 2
   head "https://github.com/mapnik/mapnik.git", branch: "master"
 
   livecheck do
@@ -15,12 +14,12 @@ class Mapnik < Formula
   end
 
   bottle do
-    sha256 cellar: :any,                 arm64_sequoia: "5583a6c0c16d12a2a7dbe3ca979f954dfec1500ff6bf23e9af70271b961584b4"
-    sha256 cellar: :any,                 arm64_sonoma:  "38a345b5ba53e9e6b3b20ec8646ac0f43a2564c4268d9ad59baeebc01fbc7476"
-    sha256 cellar: :any,                 arm64_ventura: "94c70788a5b604e1b54cbb302580b32237f4d8856b4e4e31d4043b40e80c3b09"
-    sha256 cellar: :any,                 sonoma:        "1c712e51ba20141f9f8effd91434626e4c909ab700d14c4fcdda21553713ca19"
-    sha256 cellar: :any,                 ventura:       "3c0d132307ae32bdf3d89003a8196d6262bb2e07c3ecef64204f9048e4d38cc3"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "a08d06d4187900ce9f98eb3c1178b3d26ee6294539e0010f4c78a50b24d4f467"
+    sha256 cellar: :any,                 arm64_sequoia: "86a1973107192483e56afc52bd35816bf01e26b3a1ef7807ab3b1c435e42be33"
+    sha256 cellar: :any,                 arm64_sonoma:  "7f37bbd2fb8eea6e916bc61a095b565d4accc6e069fa1e972176c64601e7b263"
+    sha256 cellar: :any,                 arm64_ventura: "f2bb49b9b0b0d309602ce583fd2995fc78f39a20362cad393ab94fd02906e79e"
+    sha256 cellar: :any,                 sonoma:        "6456dd2ae519b7fdc9fb4e7af4772f58f79a03b479883b03d684c9fc72d328ad"
+    sha256 cellar: :any,                 ventura:       "38e56462fc630947acced5aa2be34012c3508b432e766087222a24c6ae5625a6"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "c85f85edaee90e4360c626aac4bf85dc5077348c4ce5b7a759134c457a4ba27c"
   end
 
   depends_on "cmake" => :build