diff --git a/pkgs/development/libraries/qwt/6.nix b/pkgs/development/libraries/qwt/6.nix
index 54af3f3084a..1a29bb90fbb 100644
--- a/pkgs/development/libraries/qwt/6.nix
+++ b/pkgs/development/libraries/qwt/6.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, qtbase, qtsvg, qttools, qmake }:
 
 stdenv.mkDerivation rec {
-  name = "qwt-6.1.4";
+  name = "qwt-6.1.5";
 
   src = fetchurl {
     url = "mirror://sourceforge/qwt/${name}.tar.bz2";
-    sha256 = "1navkcnmn0qz8kzsyqmk32d929zl72l0b580w1ica7z5559j2a8m";
+    sha256 = "0hf0mpca248xlqn7xnzkfj8drf19gdyg5syzklvq8pibxiixwxj0";
   };
 
   propagatedBuildInputs = [ qtbase qtsvg qttools ];