diff --git a/pkgs/applications/misc/cura/default.nix b/pkgs/applications/misc/cura/default.nix
index 581081975e5..f64593517af 100644
--- a/pkgs/applications/misc/cura/default.nix
+++ b/pkgs/applications/misc/cura/default.nix
@@ -1,14 +1,14 @@
 { stdenv, python27Packages, curaengine, makeDesktopItem, fetchurl }:
 let
   py = python27Packages;
-  version = "14.09";
+  version = "14.12.1";
 in
 stdenv.mkDerivation rec {
   name = "cura-${version}";
 
   src = fetchurl {
     url = "https://github.com/daid/Cura/archive/${version}.tar.gz";
-    sha256 = "1nr26hfqa6chim5qch92wpk0s28wfvznvcf3kkzgf23hw707f40v";
+    sha256 = "1sybsa84qznlzcgn18p70gh1v60npwfca5yn80h35msxrnh8gbp5";
   };
 
   desktopItem = makeDesktopItem {
diff --git a/pkgs/applications/misc/curaengine/default.nix b/pkgs/applications/misc/curaengine/default.nix
index bb818e9236c..b8779eca0dc 100644
--- a/pkgs/applications/misc/curaengine/default.nix
+++ b/pkgs/applications/misc/curaengine/default.nix
@@ -1,18 +1,18 @@
 { stdenv, fetchurl }:
 let
-  version = "14.03";
+  version = "14.12.1";
 in
 stdenv.mkDerivation {
   name = "curaengine-${version}";
 
   src = fetchurl {
     url = "https://github.com/Ultimaker/CuraEngine/archive/${version}.tar.gz";
-    sha256 = "0f37jk6w3zd9x29c1rydqmfdzybx9nbmwdi3y3nzynq1vq7zmxcc";
+    sha256 = "1cfns71mjndy2dlmccmjx8ldd0p5v88sqg0jg6ak5c864cvgbjdr";
   };
 
   installPhase = ''
     mkdir -p $out/bin
-    cp CuraEngine $out/bin/
+    cp build/CuraEngine $out/bin/
   '';
 
   meta = with stdenv.lib; {