diff --git a/pkgs/tools/networking/cksfv/default.nix b/pkgs/tools/networking/cksfv/default.nix
index c777f487b3d4..00073686238d 100644
--- a/pkgs/tools/networking/cksfv/default.nix
+++ b/pkgs/tools/networking/cksfv/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  name = "cksfv-1.3.14";
+  name = "cksfv-1.3.15";
 
   src = fetchurl {
     url = "http://zakalwe.fi/~shd/foss/cksfv/files/${name}.tar.bz2";
-    sha256 = "0lnz0z57phl6s52hjvlryn96xrlph9b0h89ahhv027sa79pj8g4g";
+    sha256 = "0k06aq94cn5xp4knjw0p7gz06hzh622ql2xvnrlr3q8rcmdvwwx1";
   };
 
   meta = with stdenv.lib; {