diff --git a/pkgs/applications/science/math/qalculate-gtk/default.nix b/pkgs/applications/science/math/qalculate-gtk/default.nix
index 278194d57fa..b02a6553257 100644
--- a/pkgs/applications/science/math/qalculate-gtk/default.nix
+++ b/pkgs/applications/science/math/qalculate-gtk/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "qalculate-gtk-${version}";
-  version = "2.1.0";
+  version = "2.2.1";
 
   src = fetchurl {
     url = "https://github.com/Qalculate/qalculate-gtk/archive/v${version}.tar.gz";
-    sha256 = "14q89l6laa7v7d9qx7v71a0r2m65saxqgr9r871fasm400a9x8pw";
+    sha256 = "0sf4ywz8hsszaf0yr0ncdlp7mwjk6b276bwl0j9vf1j925c89pbn";
   };
 
   patchPhase = ''