diff --git a/pkgs/tools/text/nkf/default.nix b/pkgs/tools/text/nkf/default.nix
index 31d58fbccc37..eadb107d8276 100644
--- a/pkgs/tools/text/nkf/default.nix
+++ b/pkgs/tools/text/nkf/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "nkf-${version}";
-  version = "2.1.3";
+  version = "2.1.4";
 
   src = fetchurl {
-    url = "mirror://sourceforgejp/nkf/59912/${name}.tar.gz";
-    sha256 = "8cb430ae69a1ad58b522eb4927b337b5b420bbaeb69df255919019dc64b72fc2";
+    url = "mirror://sourceforgejp/nkf/64158/${name}.tar.gz";
+    sha256 = "b4175070825deb3e98577186502a8408c05921b0c8ff52e772219f9d2ece89cb";
   };
 
   makeFlags = "prefix=\${out}";