diff --git a/package-lock.json b/package-lock.json
index c97b4dc..8e3c3b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -442,9 +442,9 @@
       }
     },
     "@types/body-parser": {
-      "version": "1.17.1",
-      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.17.1.tgz",
-      "integrity": "sha512-RoX2EZjMiFMjZh9lmYrwgoP9RTpAjSHiJxdp4oidAQVO02T7HER3xj9UKue5534ULWeqVEkujhWcyvUce+d68w==",
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.0.tgz",
+      "integrity": "sha512-W98JrE0j2K78swW4ukqMleo8R7h/pFETjM2DQ90MF6XK2i4LO4W3gQ71Lt4w3bfm2EvVSyWHplECvB5sK22yFQ==",
       "dev": true,
       "requires": {
         "@types/connect": "*",
@@ -467,23 +467,25 @@
       "dev": true
     },
     "@types/express": {
-      "version": "4.17.2",
-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.2.tgz",
-      "integrity": "sha512-5mHFNyavtLoJmnusB8OKJ5bshSzw+qkMIBAobLrIM48HJvunFva9mOa6aBwh64lBFyNwBbs0xiEFuj4eU/NjCA==",
+      "version": "4.17.6",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.6.tgz",
+      "integrity": "sha512-n/mr9tZI83kd4azlPG5y997C/M4DNABK9yErhFM6hKdym4kkmd9j0vtsJyjFIwfRBxtrxZtAfGZCNRIBMFLK5w==",
       "dev": true,
       "requires": {
         "@types/body-parser": "*",
         "@types/express-serve-static-core": "*",
+        "@types/qs": "*",
         "@types/serve-static": "*"
       }
     },
     "@types/express-serve-static-core": {
-      "version": "4.17.1",
-      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.1.tgz",
-      "integrity": "sha512-9e7jj549ZI+RxY21Cl0t8uBnWyb22HzILupyHZjYEVK//5TT/1bZodU+yUbLnPdoYViBBnNWbxp4zYjGV0zUGw==",
+      "version": "4.17.7",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.7.tgz",
+      "integrity": "sha512-EMgTj/DF9qpgLXyc+Btimg+XoH7A2liE8uKul8qSmMTHCeNYzydDKFdsJskDvw42UsesCnhO63dO0Grbj8J4Dw==",
       "dev": true,
       "requires": {
         "@types/node": "*",
+        "@types/qs": "*",
         "@types/range-parser": "*"
       }
     },
@@ -579,9 +581,9 @@
       "dev": true
     },
     "@types/mime": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
-      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.2.tgz",
+      "integrity": "sha512-4kPlzbljFcsttWEq6aBW0OZe6BDajAmyvr2xknBG92tejQnvdGtT9+kXSZ580DqpxY9qG2xeQVF9Dq0ymUTo5Q==",
       "dev": true
     },
     "@types/minimatch": {
@@ -596,6 +598,12 @@
       "integrity": "sha512-Lue/mlp2egZJoHXZr4LndxDAd7i/7SQYhV0EjWfb/a4/OZ6tuVwMCVPiwkU5nsEipxEf7hmkSU7Em5VQ8P5NGA==",
       "dev": true
     },
+    "@types/qs": {
+      "version": "6.9.2",
+      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.2.tgz",
+      "integrity": "sha512-a9bDi4Z3zCZf4Lv1X/vwnvbbDYSNz59h3i3KdyuYYN+YrLjSeJD0dnphdULDfySvUv6Exy/O0K6wX/kQpnPQ+A==",
+      "dev": true
+    },
     "@types/range-parser": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
diff --git a/package.json b/package.json
index 4f7719c..f27a139 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "root",
   "private": true,
   "devDependencies": {
-    "@types/express": "^4.17.2",
+    "@types/express": "^4.17.6",
     "@types/inquirer": "6.5.0",
     "@types/jest": "^24.0.25",
     "@types/shelljs": "^0.8.6",
diff --git a/packages/rest-ts-express/package.json b/packages/rest-ts-express/package.json
index b7faf17..cac47f2 100644
--- a/packages/rest-ts-express/package.json
+++ b/packages/rest-ts-express/package.json
@@ -5,6 +5,7 @@
     "main": "dist/index.js",
     "types": "dist/index.d.ts",
     "peerDependencies": {
+        "@types/express": "^4.17.6",
         "express": "^4.0.0",
         "rest-ts-core": "^0.6.1"
     },
diff --git a/packages/rest-ts-express/src/index.ts b/packages/rest-ts-express/src/index.ts
index ec4faa9..23907f2 100644
--- a/packages/rest-ts-express/src/index.ts
+++ b/packages/rest-ts-express/src/index.ts
@@ -17,10 +17,8 @@ type PromiseOrValue<T> = PromiseLike<T> | T;
 /**
  * An express Request with proper typings.
  */
-interface TypedRequest<T extends EndpointDefinition> extends express.Request {
-    body: ExtractRuntimeType<T['body']>;
-    params: Tuple2Dict<T['params']>;
-    query: ExtractRuntimeType<T['query']>;
+interface TypedRequest<T extends EndpointDefinition> extends express.Request<Tuple2Dict<T['params']>, ExtractRuntimeType<T['response']>, ExtractRuntimeType<T['body']>, ExtractRuntimeType<T['query']>> {
+
 }
 
 /**
@@ -220,7 +218,7 @@ function makeHandler<T extends EndpointDefinition>(def: T, fn: RouteHandler<T>)
     };
 }
 
-function sanitizeIncomingRequest<T extends EndpointDefinition>(def: T, req: express.Request): TypedRequest<T> {
+function sanitizeIncomingRequest<T extends EndpointDefinition>(def: T, req: express.Request<any, unknown, unknown, unknown>): TypedRequest<T> {
     if (req.body != null) {
         try {
             req.body = def.body == null ? null : deserialize(def.body, req.body);