diff --git a/pkgs/development/libraries/qwt/default.nix b/pkgs/development/libraries/qwt/default.nix
index 9a2a53587e48..dec84c1c4955 100644
--- a/pkgs/development/libraries/qwt/default.nix
+++ b/pkgs/development/libraries/qwt/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "qwt";
-  version = "6.2.0";
+  version = "6.3.0";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "mirror://sourceforge/qwt/qwt-${version}.tar.bz2";
-    sha256 = "sha256-kZT2UTlV0P1zAPZxWBdQZEYBl6urGpL6EnpnpLC3FTA=";
+    sha256 = "sha256-3LCFiWwoquxVGMvAjA7itOYK2nrJKdgmOfYYmFGmEpo=";
   };
 
   propagatedBuildInputs = [ qtbase qtsvg qttools ];