diff --git a/pkgs/servers/unifi/default.nix b/pkgs/servers/unifi/default.nix
index 2f3230d148e9..b19ccd8db8de 100644
--- a/pkgs/servers/unifi/default.nix
+++ b/pkgs/servers/unifi/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "unifi-controller-${version}";
-  version = "4.6.3";
+  version = "4.6.6";
 
   src = fetchurl {
     url = "http://dl.ubnt.com/unifi/${version}/UniFi.unix.zip";
-    sha256 = "046qx7ghz5b1s4kg6aqvdiq7ck589c8x2cc3x03crcdjjj33rirq";
+    sha256 = "0c9j5h4dyivfdic1y2q3nvhzajzagskzxyj7009icmy3fzgkv3y5";
   };
 
   buildInputs = [ unzip ];