diff --git a/pkgs/tools/X11/caffeine-ng/default.nix b/pkgs/tools/X11/caffeine-ng/default.nix
index cadfa2c99973..36d43ea75d4d 100644
--- a/pkgs/tools/X11/caffeine-ng/default.nix
+++ b/pkgs/tools/X11/caffeine-ng/default.nix
@@ -4,11 +4,11 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "caffeine-ng";
-  version = "3.4.2";
+  version = "3.5.1";
 
   src = python3Packages.fetchPypi{
     inherit pname version;
-    sha256="05k8smjlfjcccgmp8qi04l7106k46fs4p8fl5bdqqjwv6pwl7y4w";
+    sha256="0akzldqvxnqngpj1s6y2phgj7ch8wfm02j6z2drqvsbvaadw0jbm";
   };
 
   nativeBuildInputs = [ wrapGAppsHook glib ];
@@ -18,7 +18,7 @@ python3Packages.buildPythonApplication rec {
   ];
   pythonPath = with python3Packages; [
     dbus-python docopt ewmh pygobject3 pyxdg
-    setproctitle
+    setproctitle pulsectl
   ];
 
   doCheck = false; # There are no tests.