diff --git a/pkgs/by-name/co/cosmic-applets/package.nix b/pkgs/by-name/co/cosmic-applets/package.nix
index 00b16df12a05..41f56ea7b5f6 100644
--- a/pkgs/by-name/co/cosmic-applets/package.nix
+++ b/pkgs/by-name/co/cosmic-applets/package.nix
@@ -13,6 +13,7 @@
   pulseaudio,
   pipewire,
   udev,
+  lsof,
   xkeyboard_config,
   nix-update-script,
   nixosTests,
@@ -20,17 +21,17 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cosmic-applets";
-  version = "1.8.0";
+  version = "1.9.0";
 
   # nixpkgs-update: no auto update
   src = fetchFromGitHub {
     owner = "pop-os";
     repo = "cosmic-applets";
     tag = "epoch-${finalAttrs.version}";
-    hash = "sha256-OMz/lh5bJ7YjS6GLP+yQsJ9HvYNDedj2MMMA5pgwPEE=";
+    hash = "sha256-Xq1/by/ytXqd+2ML4X/r01cs7hgTcC6Zt7T5XW539UI=";
   };
 
-  cargoHash = "sha256-iGnqu6Di2kxEAujzJ+Yy+A4cUZrdDjQ7aF3yrVz+QYU=";
+  cargoHash = "sha256-9icbfWEWw56GA7/zSZN9/+Rp/dH0KPNLYrYh20jke0Q=";
 
   separateDebugInfo = true;
   __structuredAttrs = true;
@@ -50,6 +51,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     pulseaudio
     pipewire
     udev
+    lsof
   ];
 
   dontUseJustBuild = true;