diff --git a/pkgs/tools/system/ps_mem/default.nix b/pkgs/tools/system/ps_mem/default.nix
new file mode 100644
index 000000000000..bbac78f4864b
--- /dev/null
+++ b/pkgs/tools/system/ps_mem/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, pythonPackages, fetchFromGitHub }:
+
+let
+  version = "3.9";
+  pname = "ps_mem";
+in pythonPackages.buildPythonApplication rec {
+  name = "${pname}-${version}";
+
+  src = fetchFromGitHub {
+    owner = "pixelb";
+    repo = "${pname}";
+    rev = "f0891def54f1edb78a70006603d2b025236b830f";
+    sha256 = "1vy0z5nhia61hpqndf7kkjm12mgi0kh33jx5g1glggy45ymcisif";
+  };
+
+  meta = with stdenv.lib; {
+    description = "A utility to accurately report the in core memory usage for a program";
+    homepage = https://github.com/pixelb/ps_mem;
+    license = licenses.lgpl21;
+    maintainers = [ maintainers.gnidorah ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ad5281f6bf59..89a3edc361d7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1066,6 +1066,8 @@ with pkgs;
 
   playerctl = callPackage ../tools/audio/playerctl { };
 
+  ps_mem = callPackage ../tools/system/ps_mem { };
+
   socklog = callPackage ../tools/system/socklog { };
 
   staccato = callPackage ../tools/text/staccato { };