diff --git a/nixos/modules/services/networking/unifi.nix b/nixos/modules/services/networking/unifi.nix
index fd9e58f24a4..be8f12ecd32 100644
--- a/nixos/modules/services/networking/unifi.nix
+++ b/nixos/modules/services/networking/unifi.nix
@@ -71,7 +71,7 @@ in
         rm -rf "${stateDir}/webapps"
         mkdir -p "${stateDir}/webapps"
         chown unifi "${stateDir}/webapps"
-        ln -s "${pkgs.unifi}/webapps/ROOT.war" "${stateDir}/webapps/ROOT.war"
+        ln -s "${pkgs.unifi}/webapps/ROOT" "${stateDir}/webapps/ROOT"
       '';
 
       postStop = ''
diff --git a/pkgs/servers/unifi/default.nix b/pkgs/servers/unifi/default.nix
index 7b8aa58e305..2f3230d148e 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 = "3.2.10";
+  version = "4.6.3";
 
   src = fetchurl {
     url = "http://dl.ubnt.com/unifi/${version}/UniFi.unix.zip";
-    sha256 = "0hrb8bbpkz1ijgsqsxhwjx1iq11ircr0pb2n5nr6hna9zxkkkb04";
+    sha256 = "046qx7ghz5b1s4kg6aqvdiq7ck589c8x2cc3x03crcdjjj33rirq";
   };
 
   buildInputs = [ unzip ];