diff --git a/srcpkgs/libArcus/template b/srcpkgs/libArcus/template
index ad6182cc1e7..8bd39d1675c 100644
--- a/srcpkgs/libArcus/template
+++ b/srcpkgs/libArcus/template
@@ -1,7 +1,7 @@
 # Template file for 'libArcus'
 pkgname=libArcus
-version=3.6.0
-revision=2
+version=4.0.0
+revision=1
 build_style=cmake
 configure_args="-DBUILD_EXAMPLES=OFF"
 hostmakedepends="protobuf python3-sip-devel"
@@ -12,7 +12,7 @@ maintainer="Karl Nilsson <karl.robert.nilsson@gmail.com>"
 license="LGPL-3.0-or-later"
 homepage="https://github.com/Ultimaker/libArcus"
 distfiles="https://github.com/Ultimaker/libArcus/archive/${version}.tar.gz"
-checksum=d9dee21a558e3a13b23f5ee5f264e08ec8f231a0b6a6354f6eabb081a9e5da9f
+checksum=fc7709fe8e9738d219baa65606a092dc67d5c9fc3002d48f074a7c55db87a8e4
 
 libArcus-devel_package() {
 	depends="${sourcepkg}>=${version}_${revision}"