diff --git a/pkgs/development/libraries/gdcm/default.nix b/pkgs/development/libraries/gdcm/default.nix
index 6da29ef2a3c4..47f9e9c66760 100644
--- a/pkgs/development/libraries/gdcm/default.nix
+++ b/pkgs/development/libraries/gdcm/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, cmake, vtk }:
 
 stdenv.mkDerivation rec {
-  version = "2.8.4";
+  version = "2.8.5";
   name = "gdcm-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/gdcm/${name}.tar.bz2";
-    sha256 = "1wjs9sfdi1v4bm750xl26mik5zyvmlk88jy2zf2jsm9y3qmcyfff";
+    sha256 = "0aiwmxwa67zsb2sbadf8r2p9018qhc8gycb04kfrsf7rskz3x2h5";
   };
 
   dontUseCmakeBuildDir = true;