diff --git a/community/curaengine/PKGBUILD b/community/curaengine/PKGBUILD
index 7576775fb..4ddf4a896 100644
--- a/community/curaengine/PKGBUILD
+++ b/community/curaengine/PKGBUILD
@@ -5,8 +5,8 @@
 #  - -DBUILD_TESTS=OFF
 
 pkgname=curaengine
-pkgver=3.6.0
-pkgrel=2
+pkgver=4.0.0
+pkgrel=1
 pkgdesc="Engine for processing 3D models into 3D printing instruction for Ultimaker and other GCode based 3D printers."
 url="https://github.com/Ultimaker/CuraEngine"
 arch=('x86_64')
@@ -16,15 +16,8 @@ depends=('arcus')
 # Package polyclipping in the repos
 checkdepends=('cppunit')
 makedepends=('cmake' 'git')
-source=("$pkgname-$pkgver.tar.gz::https://github.com/Ultimaker/${pkgname}/archive/${pkgver}.tar.gz"
-       "fix_mocksocket_tests.patch::https://github.com/Ultimaker/CuraEngine/commit/7349c981135f6460640c23527f02dea650304467.patch")
-sha512sums=('340dad4c697fb0d7b633091715a904ae7df8973626e217ae2528d0121723c07a6cf0bbc740b9ad9980f3b288fa690c9c3ee43d90914264855dace007bbb334c8'
-            '72d424cb96db26e7e4170d2e208f3dbbabbea19e5e7c6a02b53ef47eddbcbb4dc20d045b2065e91acd8dc5f481345a9a3b5568781db9445d3af697555aba847e')
-
-prepare() {
-  cd CuraEngine-${pkgver}
-  patch -Np1 -i $srcdir/fix_mocksocket_tests.patch
-}
+source=("$pkgname-$pkgver.tar.gz::https://github.com/Ultimaker/${pkgname}/archive/${pkgver}.tar.gz")
+sha512sums=('478dc2554abea24baeec18e2b2d65a790dd6d31a3b11c87d839a9e928679f40bab9703e86e473bba36f72355485d66bf63515692ac75bceae5881e6537f48c46')
 
 build() {
   cd CuraEngine-${pkgver}