diff --git a/dev-util/meson/meson-0.39.1.recipe b/dev-util/meson/meson-0.40.1.recipe
similarity index 94%
rename from dev-util/meson/meson-0.39.1.recipe
rename to dev-util/meson/meson-0.40.1.recipe
index e1e591135..435ba3073 100644
--- a/dev-util/meson/meson-0.39.1.recipe
+++ b/dev-util/meson/meson-0.40.1.recipe
@@ -6,7 +6,7 @@ COPYRIGHT="2013-2017 The Meson development team"
 LICENSE="Apache v2"
 REVISION="1"
 SOURCE_URI="https://github.com/mesonbuild/meson/releases/download/$portVersion/meson-$portVersion.tar.gz"
-CHECKSUM_SHA256="44885ccfef94d3d4afb1053fa6673ed130d3093fc9e9f6624d08161d8a385220"
+CHECKSUM_SHA256="890ce46e713ea0d061f8203c99fa7d38645354a62e4c207c38ade18db852cbf5"
 PATCHES="meson-$portVersion.patchset"
 PYTHON_VERSION="3.6"
 
diff --git a/dev-util/meson/patches/meson-0.39.1.patchset b/dev-util/meson/patches/meson-0.40.1.patchset
similarity index 66%
rename from dev-util/meson/patches/meson-0.39.1.patchset
rename to dev-util/meson/patches/meson-0.40.1.patchset
index 8d8798059..ece0d995b 100644
--- a/dev-util/meson/patches/meson-0.39.1.patchset
+++ b/dev-util/meson/patches/meson-0.40.1.patchset
@@ -1,14 +1,14 @@
-From c7e486aceb016655a66c259eff1d41cc9bd73b37 Mon Sep 17 00:00:00 2001
+From 88b4446f1a7b13dd3c40924b1e172e56e18f8f51 Mon Sep 17 00:00:00 2001
 From: Jerome Duval <jerome.duval@gmail.com>
 Date: Sun, 16 Apr 2017 13:57:03 +0200
 Subject: Haiku patch
 
 
 diff --git a/mesonbuild/mesonlib.py b/mesonbuild/mesonlib.py
-index c7368d5..c8dbc2b 100644
+index 0263768..f67ae52 100644
 --- a/mesonbuild/mesonlib.py
 +++ b/mesonbuild/mesonlib.py
-@@ -206,6 +206,9 @@ def is_osx():
+@@ -218,6 +218,9 @@ def is_osx():
  def is_linux():
      return platform.system().lower() == 'linux'
  
@@ -19,18 +19,18 @@ index c7368d5..c8dbc2b 100644
      platname = platform.system().lower()
      return platname == 'windows' or 'mingw' in platname
 diff --git a/run_tests.py b/run_tests.py
-index 5025057..bb5eec7 100755
+index d0a67e8..5d0f77e 100755
 --- a/run_tests.py
 +++ b/run_tests.py
-@@ -24,7 +24,7 @@ from mesonbuild import mesonlib
- if __name__ == '__main__':
-     returncode = 0
+@@ -125,7 +125,7 @@ if __name__ == '__main__':
+                 backend = Backend.xcode
+             break
      # Running on a developer machine? Be nice!
 -    if not mesonlib.is_windows() and 'TRAVIS' not in os.environ:
 +    if not mesonlib.is_windows() and not mesonlib.is_haiku() and 'TRAVIS' not in os.environ:
          os.nice(20)
-     print('Running unittests.\n')
-     units = ['InternalTests', 'AllPlatformTests']
+     # Appveyor sets the `platform` environment variable which completely messes
+     # up building with the vs2010 and vs2015 backends.
 -- 
-2.11.0
+2.12.2