diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..bf8cec2
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,2 @@
+export = servAuth;
+declare function servAuth(app: any, options?: {}): void;
diff --git a/package.json b/package.json
index cef60a1..f4af239 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,9 @@
 {
   "name": "microtunnel-server",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "NodeJS library for post-quantum communication between apps",
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "cred-generate": "node microtunnel-client.js cred-generate"
@@ -38,6 +39,6 @@
     "express": "^4.18.2",
     "kyber-crystals": "^1.0.4",
     "supersphincs": "^8.0.2",
-    "symcryptor": "^1.0.1"
+    "symcryptor": "^1.0.2"
   }
 }