diff --git a/pkgs/applications/misc/psi-notify/default.nix b/pkgs/applications/misc/psi-notify/default.nix
new file mode 100644
index 000000000000..5a4b6f385df2
--- /dev/null
+++ b/pkgs/applications/misc/psi-notify/default.nix
@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, systemd, libnotify, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "psi-notify";
+  version = "1.2.1";
+
+  src = fetchFromGitHub {
+    owner = "cdown";
+    repo = pname;
+    rev = version;
+    sha256 = "0hn37plim1smmlrjjmz8kybyms8pz3wxcgf8vmqjrsqi6bfcym7g";
+  };
+
+  buildInputs = [ systemd libnotify ];
+  nativeBuildInputs = [ pkg-config ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D psi-notify $out/bin/psi-notify
+    substituteInPlace psi-notify.service --replace psi-notify $out/bin/psi-notify
+    install -D psi-notify.service $out/share/systemd/user/psi-notify.service
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Alert on system resource saturation";
+    longDescription = ''
+      psi-notify can alert you when resources on your machine are becoming
+      oversaturated, and allow you to take action before your system slows to a
+      crawl.
+    '';
+    license = licenses.mit;
+    homepage = "https://github.com/cdown/psi-notify";
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ eduarrrd ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 932180a609ab..dfac0a879113 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26314,6 +26314,8 @@ with pkgs;
   prevo-data = callPackage ../applications/misc/prevo/data.nix { };
   prevo-tools = callPackage ../applications/misc/prevo/tools.nix { };
 
+  psi-notify = callPackage ../applications/misc/psi-notify { };
+
   ptex = callPackage ../development/libraries/ptex {};
 
   pyright = nodePackages.pyright;