diff --git a/nixos/modules/services/x11/desktop-managers/phosh.nix b/nixos/modules/services/x11/desktop-managers/phosh.nix
index e889c0e34e7d..3cfa6e044b73 100644
--- a/nixos/modules/services/x11/desktop-managers/phosh.nix
+++ b/nixos/modules/services/x11/desktop-managers/phosh.nix
@@ -173,7 +173,7 @@ in
     systemd.services.phosh = {
       wantedBy = [ "graphical.target" ];
       serviceConfig = {
-        ExecStart = "${cfg.package}/bin/phosh";
+        ExecStart = "${cfg.package}/bin/phosh-session";
         User = cfg.user;
         Group = cfg.group;
         PAMName = "login";
diff --git a/pkgs/applications/window-managers/phosh/default.nix b/pkgs/applications/window-managers/phosh/default.nix
index 5b4480499d95..95b546a0b1cb 100644
--- a/pkgs/applications/window-managers/phosh/default.nix
+++ b/pkgs/applications/window-managers/phosh/default.nix
@@ -36,7 +36,7 @@
 
 stdenv.mkDerivation rec {
   pname = "phosh";
-  version = "0.23.0";
+  version = "0.25.1";
 
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     repo = pname;
     rev = "v${version}";
     fetchSubmodules = true; # including gvc and libcall-ui which are designated as subprojects
-    sha256 = "sha256-EMPqBKrtlwI9SJlqZjyAN5CtV4/BNwc5LapfeCEIYxc=";
+    sha256 = "sha256-ysAZdmkFEuqJDTPe246F2I4Qp+fjtomia42PS8BuMM8=";
   };
 
   nativeBuildInputs = [
@@ -97,11 +97,6 @@ stdenv.mkDerivation rec {
     "-Dc_args=-I${glib.dev}/include/gio-unix-2.0"
   ];
 
-  postPatch = ''
-    chmod +x build-aux/post_install.py
-    patchShebangs build-aux/post_install.py
-  '';
-
   checkPhase = ''
     runHook preCheck
     export NO_AT_BRIDGE=1