diff --git a/pkgs/desktops/gnome/extensions/system-monitor/default.nix b/pkgs/desktops/gnome/extensions/system-monitor/default.nix
index 439f02622a6..d770acfec16 100644
--- a/pkgs/desktops/gnome/extensions/system-monitor/default.nix
+++ b/pkgs/desktops/gnome/extensions/system-monitor/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, substituteAll, fetchFromGitHub, glib, glib-networking, libgtop, gnome }:
+{ lib, stdenv, substituteAll, fetchFromGitHub, fetchpatch, glib, glib-networking, libgtop, gnome }:
 
 stdenv.mkDerivation rec {
   pname = "gnome-shell-extension-system-monitor";
-  version = "unstable-2021-06-19";
+  version = "unstable-2021-09-07";
 
   src = fetchFromGitHub {
     owner = "paradoxxxzero";
     repo = "gnome-shell-system-monitor-applet";
-    rev = "bece7be22352b81d3d81e64e18a385812851b8de";
-    sha256 = "08nnsg7z3cqk25hfgy4wm02hd2wpz13kig498kn4mf5f1q4hslmx";
+    rev = "133f9f32bca5d159515d709bbdee81bf497ebdc5";
+    sha256 = "1vz1s1x22xmmzaayrzv5jyzlmxslhfaybbnv959szvfp4mdrhch9";
   };
 
   buildInputs = [
@@ -24,6 +24,11 @@ stdenv.mkDerivation rec {
       gtop_path = "${libgtop}/lib/girepository-1.0";
       glib_net_path = "${glib-networking}/lib/girepository-1.0";
     })
+    # Support GNOME 41
+    (fetchpatch {
+      url = "https://github.com/paradoxxxzero/gnome-shell-system-monitor-applet/pull/718/commits/f4ebc29afa707326b977230329e634db169f55b1.patch";
+      sha256 = "0ndnla41mvrww6ldf9d55ar1ibyj8ak5pp1dkjg75jii9slgzjqb";
+    })
   ];
 
   buildPhase = ''
@@ -47,7 +52,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Display system informations in gnome shell status bar";
     license = licenses.gpl3Plus;
-    maintainers = with maintainers; [ tiramiseb ];
+    maintainers = with maintainers; [ andersk ];
     homepage = "https://github.com/paradoxxxzero/gnome-shell-system-monitor-applet";
   };
 }