diff --git a/connect-flash/index.d.ts b/connect-flash/index.d.ts
index 7ec2ae0ae7..1a10aae6db 100644
--- a/connect-flash/index.d.ts
+++ b/connect-flash/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Andreas Gassmann <https://github.com/AndreasGassmann/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
     export interface Request {
diff --git a/connect-timeout/index.d.ts b/connect-timeout/index.d.ts
index 80b3c56a6c..bfaa7c473d 100644
--- a/connect-timeout/index.d.ts
+++ b/connect-timeout/index.d.ts
@@ -3,6 +3,8 @@
 // Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference types="express" />
+
 declare namespace Express {
     export interface Request {
         /**
diff --git a/cookie-session/index.d.ts b/cookie-session/index.d.ts
index aa014e2049..71e63d5a3c 100644
--- a/cookie-session/index.d.ts
+++ b/cookie-session/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Borislav Zhivkov <https://github.com/borislavjivkov/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
     interface Request extends CookieSessionInterfaces.CookieSessionRequest {}
diff --git a/csurf/index.d.ts b/csurf/index.d.ts
index badf1f747a..bc269eee70 100644
--- a/csurf/index.d.ts
+++ b/csurf/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Hiroki Horiuchi <https://github.com/horiuchi/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
   export interface Request {
diff --git a/easy-session/index.d.ts b/easy-session/index.d.ts
index 4216f5037d..0d96c61783 100644
--- a/easy-session/index.d.ts
+++ b/easy-session/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Karl Düüna <https://github.com/DeadAlready/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
     interface ErrorCallback {
diff --git a/easy-x-headers/index.d.ts b/easy-x-headers/index.d.ts
index c9d6c97e2b..54faf1c2a1 100644
--- a/easy-x-headers/index.d.ts
+++ b/easy-x-headers/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Karl Düüna <https://github.com/DeadAlready/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
     export interface Request {
diff --git a/easy-xapi/index.d.ts b/easy-xapi/index.d.ts
index 0eeb83a4d8..13a8a7bfd9 100644
--- a/easy-xapi/index.d.ts
+++ b/easy-xapi/index.d.ts
@@ -6,6 +6,8 @@
 
 /// <reference types="easy-jsend" />
 /// <reference types="bunyan" />
+/// <reference types="express" />
+/// <reference types="node" />
 
 declare namespace Express {
     export interface Request {
diff --git a/express-minify/index.d.ts b/express-minify/index.d.ts
index 60bccf44ff..f6f3d895b3 100644
--- a/express-minify/index.d.ts
+++ b/express-minify/index.d.ts
@@ -3,7 +3,8 @@
 // Definitions by: Borislav Zhivkov <https://github.com/borislavjivkov/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
+/// <reference types="node" />
 
 declare namespace Express {
     interface Response extends ExpressMinifyInterfaces.ExpressMinifyResponse {}
diff --git a/express-session/index.d.ts b/express-session/index.d.ts
index 2f2cf68142..c5d7c63456 100644
--- a/express-session/index.d.ts
+++ b/express-session/index.d.ts
@@ -5,6 +5,7 @@
 
 
 /// <reference types="node" />
+/// <reference types="express" />
 
 declare namespace Express {
 
@@ -69,7 +70,7 @@ declare module "express-session" {
 	  regenerate (req: express.Request, fn: (err: any) => any): void;
       load (sid: string, fn: (err: any, session: Express.Session) => any): void;
       createSession (req: express.Request, sess: Express.Session): void;
-      
+
       get: (sid: string, callback: (err: any, session: Express.Session) => void) => void;
       set: (sid: string, session: Express.Session, callback: (err: any) => void) => void;
       destroy: (sid: string, callback: (err: any) => void) => void;
diff --git a/express-validator/index.d.ts b/express-validator/index.d.ts
index 05ba652555..151bf16d97 100644
--- a/express-validator/index.d.ts
+++ b/express-validator/index.d.ts
@@ -3,6 +3,7 @@
 // Definitions by: Nathan Ridley <https://github.com/axefrog/>, Jonathan Häberle <http://dreampulse.de>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference types="express" />
 
 
 // Add RequestValidation Interface on to Express's Request Interface.
@@ -179,12 +180,12 @@ declare namespace ExpressValidator {
 		/**
 		 * Decode HTML entities
 		 */
-		
+
 		/**
      		* Convert the input string to a date, or null if the input is not a date.
      		*/
     		toDate(): Sanitizer;
-    
+
 		entityDecode(): Sanitizer;
 		entityEncode(): Sanitizer;
 		/**
diff --git a/i18next-browser-languagedetector/index.d.ts b/i18next-browser-languagedetector/index.d.ts
index 24e514fbd2..bda669202c 100644
--- a/i18next-browser-languagedetector/index.d.ts
+++ b/i18next-browser-languagedetector/index.d.ts
@@ -4,6 +4,7 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="i18next"/>
+/// <reference types="express" />
 
 declare namespace I18next {
     interface I18nextStatic extends i18nextBrowserLanguageDetector.I18nextStatic { }
diff --git a/i18next-express-middleware/index.d.ts b/i18next-express-middleware/index.d.ts
index 05328ffadc..4570061021 100644
--- a/i18next-express-middleware/index.d.ts
+++ b/i18next-express-middleware/index.d.ts
@@ -4,6 +4,7 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="i18next" />
+/// <reference types="express" />
 
 declare namespace I18next {
     interface I18nextOptions extends i18nextExpressMiddleware.I18nextOptions { }
diff --git a/passport/index.d.ts b/passport/index.d.ts
index de0d4d8e03..132c2e0140 100644
--- a/passport/index.d.ts
+++ b/passport/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Horiuchi_H <https://github.com/horiuchi/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-
+/// <reference types="express" />
 
 declare namespace Express {
     export interface Request {