diff --git a/flake.nix b/flake.nix
index 45f7265..61d97eb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -56,6 +56,7 @@
           "sourcemod-include-steamworks"
           "srcds-tf2"
           "sourcemod-plugin-steamworks"
+          "sourcemod-plugin-soap-tf2dm"
         ]
         // {
           test = pkgs:
diff --git a/nix/sourcemod/plugins/overlay.nix b/nix/sourcemod/plugins/overlay.nix
index b8617e0..61207dd 100644
--- a/nix/sourcemod/plugins/overlay.nix
+++ b/nix/sourcemod/plugins/overlay.nix
@@ -1,3 +1,4 @@
 final: prev: {
   sourcemod-plugin-steamworks = final.callPackage ./steamworks.nix {};
+  sourcemod-plugin-soap-tf2dm = final.callPackage ./soap-tf2dm.nix {};
 }
diff --git a/nix/sourcemod/plugins/soap-tf2dm.nix b/nix/sourcemod/plugins/soap-tf2dm.nix
new file mode 100644
index 0000000..b401eb0
--- /dev/null
+++ b/nix/sourcemod/plugins/soap-tf2dm.nix
@@ -0,0 +1,31 @@
+{
+  fetchzip,
+  stdenvNoCC,
+  nix-update-script,
+}:
+stdenvNoCC.mkDerivation (finalAttrs: {
+  pname = "sourcemod-plugin-soap-tf2dm";
+  version = "4.4.8";
+  src = fetchzip {
+    url = "https://github.com/sapphonie/SOAP-TF2DM/releases/download/v${finalAttrs.version}/soap.zip";
+    sha256 = "sha256-7tzYmJn7iUCwKwni2zZCxDAwixoxyW5iXZ82ppsUxE8=";
+    stripRoot = false;
+  };
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir $out
+    mv addons cfg $out/
+
+    runHook postInstall
+  '';
+
+  passthru = {
+    updateScript = nix-update-script {
+      extraArgs = [
+        "--flake"
+      ];
+    };
+  };
+})