diff --git a/pkgs/by-name/gn/gnome-system-monitor/fix-paths.patch b/pkgs/by-name/gn/gnome-system-monitor/fix-paths.patch
index 967ef5e15542..9f1fb926cced 100644
--- a/pkgs/by-name/gn/gnome-system-monitor/fix-paths.patch
+++ b/pkgs/by-name/gn/gnome-system-monitor/fix-paths.patch
@@ -1,7 +1,7 @@
-diff --git a/src/gsm_pkexec.cpp b/src/gsm_pkexec.cpp
+diff --git a/src/actions/gsm_pkexec.cpp b/src/actions/gsm_pkexec.cpp
 index 5e1edf2f..717d7bf1 100644
---- a/src/gsm_pkexec.cpp
-+++ b/src/gsm_pkexec.cpp
+--- a/src/actions/gsm_pkexec.cpp
++++ b/src/actions/gsm_pkexec.cpp
 @@ -36,5 +36,6 @@ gsm_pkexec_create_root_password_dialog (const char *command)
  gboolean
  procman_has_pkexec (void)
diff --git a/pkgs/by-name/gn/gnome-system-monitor/package.nix b/pkgs/by-name/gn/gnome-system-monitor/package.nix
index e088992f463b..ee47dd258239 100644
--- a/pkgs/by-name/gn/gnome-system-monitor/package.nix
+++ b/pkgs/by-name/gn/gnome-system-monitor/package.nix
@@ -25,11 +25,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gnome-system-monitor";
-  version = "49.1";
+  version = "50.0";
 
   src = fetchurl {
     url = "mirror://gnome/sources/gnome-system-monitor/${lib.versions.major finalAttrs.version}/gnome-system-monitor-${finalAttrs.version}.tar.xz";
-    hash = "sha256-kVtqMhraEuunv1eMIMn+XkH1XVMoR8vRJLvdquwR1w8=";
+    hash = "sha256-pBOKp1S0WExG3pH60daF4nsSvCRX3nYYY7a+AthMSGI=";
   };
 
   patches = [