diff --git a/pkgs/by-name/un/unifi/package.nix b/pkgs/by-name/un/unifi/package.nix
index 2a7aba23d999..1a1410a26c12 100644
--- a/pkgs/by-name/un/unifi/package.nix
+++ b/pkgs/by-name/un/unifi/package.nix
@@ -10,12 +10,12 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "unifi-controller";
-  version = "9.3.45";
+  version = "9.4.19";
 
   # see https://community.ui.com/releases / https://www.ui.com/download/unifi
   src = fetchurl {
     url = "https://dl.ui.com/unifi/${finalAttrs.version}/unifi_sysvinit_all.deb";
-    hash = "sha256-9gpXY9+XiUnpyRuMdvXGkbiqJ3SlJ6PZ7k1Rj5pbFqs=";
+    hash = "sha256-lbveHJjORpARa+EU54OtvIk7x1WFGKrwFWL3b+A35XA=";
   };
 
   nativeBuildInputs = [