diff --git a/pkgs/development/python-modules/uranium/default.nix b/pkgs/development/python-modules/uranium/default.nix
index 351279476c8..b4081870fbe 100644
--- a/pkgs/development/python-modules/uranium/default.nix
+++ b/pkgs/development/python-modules/uranium/default.nix
@@ -2,7 +2,7 @@
 , pyqt5, numpy, scipy, shapely, libarcus, doxygen, gettext, pythonOlder }:
 
 buildPythonPackage rec {
-  version = "3.6.0";
+  version = "4.0.0";
   pname = "uranium";
   format = "other";
 
@@ -10,7 +10,7 @@ buildPythonPackage rec {
     owner = "Ultimaker";
     repo = "Uranium";
     rev = version;
-    sha256 = "02hid13h8anb9bgv2hhrcdg10bxdxa9hj9pbdv3gw3lpn9r2va98";
+    sha256 = "1dzn064np76q0xpypcwsa7k7arzihg79xw1pgcvdizk9kzc6rw3y";
   };
 
   disabled = pythonOlder "3.5.0";