diff --git a/pkgs/by-name/la/lammps/package.nix b/pkgs/by-name/la/lammps/package.nix
index 4b23520c0002..45fd0092df2e 100644
--- a/pkgs/by-name/la/lammps/package.nix
+++ b/pkgs/by-name/la/lammps/package.nix
@@ -2,16 +2,19 @@
   lib,
   stdenv,
   fetchFromGitHub,
+
+  # nativeBuildInputs
+  pkg-config,
+  cmake,
+  python3,
+
+  # buildInputs
   libpng,
   gzip,
   fftw,
   blas,
   lapack,
-  python3,
-  mpich,
-  cmake,
-  autoAddDriverRunpath,
-  pkg-config,
+
   # Available list of packages can be found near here:
   #
   # - https://github.com/lammps/lammps/blob/develop/cmake/CMakeLists.txt#L222
@@ -46,12 +49,13 @@
   # Extra `buildInputs` - meant for packages that require more inputs
   extraBuildInputs ? [ ],
   extraNativeBuildInputs ? [ ],
+
+  # passthru
+  nix-update-script,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
-  # LAMMPS has weird versioning convention. Updates should go smoothly with:
-  # nix-update --commit lammps --version-regex 'stable_(.*)'
-  version = "22Jul2025_update4";
+  version = "22Jul2025_update5";
   pname = "lammps";
 
   __structuredAttrs = true;
@@ -61,7 +65,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "lammps";
     repo = "lammps";
     tag = "stable_${finalAttrs.version}";
-    hash = "sha256-QH63nh7J3NjfdfpN7J96Q+9ZGqj8cA0YwEmgTuBbGmg=";
+    hash = "sha256-kI4CubDgXwnDDeXNan88RzG+iGMJMnsqfpfhWtJFhAI=";
   };
   preConfigure = ''
     cd cmake
@@ -80,6 +84,12 @@ stdenv.mkDerivation (finalAttrs: {
     inherit extraCmakeFlags;
     inherit extraBuildInputs;
     inherit extraNativeBuildInputs;
+    updateScript = nix-update-script {
+      extraArgs = [
+        "--version-regex"
+        "stable_(.*)"
+      ];
+    };
   };
   cmakeFlags = [
     (lib.cmakeBool "BUILD_SHARED_LIBS" true)