diff --git a/overlay/default.nix b/overlay/default.nix
index 3dc21766..348b42c6 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -16,4 +16,6 @@ final: prev:
   readsb = prev.callPackage ./readsb.nix { };
 
   plume = prev.callPackage ./plume { };
+
+  SimpleYggGen-CPP = prev.callPackage ./simpleygggen.nix { };
 }
diff --git a/overlay/simpleygggen.nix b/overlay/simpleygggen.nix
new file mode 100644
index 00000000..ff63c006
--- /dev/null
+++ b/overlay/simpleygggen.nix
@@ -0,0 +1,17 @@
+{ lib, stdenv, fetchurl, cmake, libsodium, }:
+
+stdenv.mkDerivation rec {
+  pname = "SimpleYggGen-CPP";
+  version = "5.1";
+  src = fetchurl {
+    url = "https://notabug.org/acetone/${pname}/archive/${version}.tar.gz";
+    hash = "sha256-z5Wtmw2vq3qRjNSOJ0xlxdmB5g2Oa+UQn1Awt7+R/XY=";
+  };
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ libsodium ];
+  installPhase = ''
+    find .
+    install -D src/sygcpp $out/bin/$pname
+  '';
+  meta.maintainers = [ lib.maintainers.ehmry ];
+}