diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index 46c170d33f9..009935e14c0 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, cmake, gtk, libjpeg, libpng, libtiff, jasper, ffmpeg
 , pkgconfig, gstreamer, xineLib, glib }:
 
-let v = "2.3.1a"; in
+let v = "2.4.1"; in
 
 stdenv.mkDerivation rec {
   name = "opencv-${v}";
 
   src = fetchurl {
     url = "mirror://sourceforge/opencvlibrary/OpenCV-${v}.tar.bz2";
-    sha256 = "0325s7pa2npcw2gc06pr6q5ik4xdyf08rvkfc0myn10w20lzb8m9";
+    sha256 = "1wxijbz1jfsg4695fls83825ppiacxfn5x07al0qkkx5rm7spdi9";
   };
 
   buildInputs = [ gtk glib libjpeg libpng libtiff jasper ffmpeg xineLib gstreamer ];