diff --git a/pkgs/development/python-modules/uranium/default.nix b/pkgs/development/python-modules/uranium/default.nix
index 6365846bd26..c245ac0b565 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 = "4.1.0";
+  version = "4.2.0";
   pname = "uranium";
   format = "other";
 
@@ -10,7 +10,7 @@ buildPythonPackage rec {
     owner = "Ultimaker";
     repo = "Uranium";
     rev = version;
-    sha256 = "0vjlir9rd3xdlb8icdcr51qjmnh8nny6ajycria9idccriaqficj";
+    sha256 = "1dc3s6zya7bbpvzh4acbs65aj899siwd8jr9snnsrdyl9qh8hhq9";
   };
 
   disabled = pythonOlder "3.5.0";