diff --git a/srcpkgs/libArcus/template b/srcpkgs/libArcus/template
index d107e8930d..ad32861bd8 100644
--- a/srcpkgs/libArcus/template
+++ b/srcpkgs/libArcus/template
@@ -1,6 +1,6 @@
 # Template file for 'libArcus'
 pkgname=libArcus
-version=3.0.3
+version=3.1.0
 revision=1
 build_style=cmake
 python_version=3
@@ -13,8 +13,7 @@ maintainer="Karl Nilsson <karl.robert.nilsson@gmail.com>"
 license="LGPL-3"
 homepage="https://github.com/Ultimaker/libArcus"
 distfiles="https://github.com/Ultimaker/libArcus/archive/${version}.tar.gz"
-checksum=278a0f7f5b445e6e396f28488055488be1cf56fa325b1766ca94fe9737ffa189
-CXXFLAGS=" -D_GLIBCXX_USE_C99_STDIO=1"
+checksum=1ce0fc0e979a8d43923727f45408b98fd9d77a520a880fe8a07a33a438fafa50
 
 libArcus-devel_package() {
 	depends="${sourcepkg}-${version}_${revision}"