diff --git a/pkgs/by-name/gn/gnome-system-monitor/package.nix b/pkgs/by-name/gn/gnome-system-monitor/package.nix
index 394a5104488b..4c14a01f649d 100644
--- a/pkgs/by-name/gn/gnome-system-monitor/package.nix
+++ b/pkgs/by-name/gn/gnome-system-monitor/package.nix
@@ -23,13 +23,13 @@
   systemd,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "gnome-system-monitor";
-  version = "47.0";
+  version = "47.1";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/gnome-system-monitor/${lib.versions.major version}/gnome-system-monitor-${version}.tar.xz";
-    hash = "sha256-7ee5JetxTYs8K/v3QFobcUSU/kfgLwrwj1g3s+JWVH8=";
+    url = "mirror://gnome/sources/gnome-system-monitor/${lib.versions.major finalAttrs.version}/gnome-system-monitor-${finalAttrs.version}.tar.xz";
+    hash = "sha256-08VxT9kfp/BdZ3XmeXzNqzFJ8THRqndqM1LirdsRDwE=";
   };
 
   patches = [
@@ -78,4 +78,4 @@ stdenv.mkDerivation rec {
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
-}
+})