diff --git a/pkgs/applications/misc/keepass-plugins/keefox/default.nix b/pkgs/applications/misc/keepass-plugins/keefox/default.nix
index cb48ff22bef..72836c17c86 100644
--- a/pkgs/applications/misc/keepass-plugins/keefox/default.nix
+++ b/pkgs/applications/misc/keepass-plugins/keefox/default.nix
@@ -1,12 +1,12 @@
 { stdenv, buildEnv, fetchurl, mono, unzip }:
 
 let
-  version = "1.6.3";
+  version = "1.6.4";
   drv = stdenv.mkDerivation {
     name = "keefox-${version}";
     src = fetchurl {
       url    = "https://github.com/luckyrat/KeeFox/releases/download/v${version}/${version}.xpi";
-      sha256 = "dc26c51a6b3690d4bec527c3732a72f67a85b804c60db5e699260552e2dd2bd9";
+      sha256 = "0nj4l9ssyfwbl1pxgxvd2h9q0mqhx7i0yzm4a2xjqlqwam534d1w";
     };
 
     meta = {