diff --git a/Gruntfile.js b/Gruntfile.js
index 5f9341f2a0..26988ffd53 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -29,7 +29,8 @@ module.exports = function(grunt) {
 				module: 'commonjs',
 				sourceMap: true,
 				declaration: false,
-				removeComments: false
+				removeComments: false,
+				noImplicitAny: true
 			},
 
 			devlib: {
diff --git a/lib/common b/lib/common
index cdade826e3..d4ad1e3b37 160000
--- a/lib/common
+++ b/lib/common
@@ -1 +1 @@
-Subproject commit cdade826e35ed2febb5b84ae44abbb9ebc8c9c76
+Subproject commit d4ad1e3b37334dc80797d1c181aed1e5bd1626ae
diff --git a/lib/definitions/npm.d.ts b/lib/definitions/npm.d.ts
index ce70940eab..407dc50f65 100644
--- a/lib/definitions/npm.d.ts
+++ b/lib/definitions/npm.d.ts
@@ -1,5 +1,5 @@
  declare module "npm" {
 	var cache: string;
-	var commands: any[];
-	function load(config: Object, callback: (err: any, data: any) => void);
+	var commands: { [index: string]: any };
+	function load(config: Object, callback: (err: any, data: any) => void): void;
 }
\ No newline at end of file
diff --git a/lib/definitions/osenv.d.ts b/lib/definitions/osenv.d.ts
index e02de9be32..7ef7d68b36 100644
--- a/lib/definitions/osenv.d.ts
+++ b/lib/definitions/osenv.d.ts
@@ -1,3 +1,3 @@
 declare module "osenv" {
-	function home();
+	function home(): string;
 }
\ No newline at end of file
diff --git a/lib/definitions/shelljs.d.ts b/lib/definitions/shelljs.d.ts
index 518e2063e2..be2b18b8c7 100644
--- a/lib/definitions/shelljs.d.ts
+++ b/lib/definitions/shelljs.d.ts
@@ -2,6 +2,6 @@ declare module "shelljs" {
 	function cp(arg: string, sourcePath: string, destinationPath: string): void;
 	function cp(arg: string, sourcePath: string[], destinationPath: string): void;
 	function sed(arg: string, oldValue: any, newValue: string, filePath: string): void;
-	function mv(source: string[], destination: string);
+	function mv(source: string[], destination: string): void;
 	function grep(what: any, where: string): any;
 }
\ No newline at end of file
diff --git a/lib/node-package-manager.ts b/lib/node-package-manager.ts
index 21a8d2623e..d87acfaec5 100644
--- a/lib/node-package-manager.ts
+++ b/lib/node-package-manager.ts
@@ -67,7 +67,7 @@ export class NodePackageManager implements INodePackageManager {
 		this.$logger.trace("Installing", packageName);
 
 		var future = new Future<void>();
-		npm.commands["install"](pathToSave, packageName, (err, data) => {
+		npm.commands["install"](pathToSave, packageName, (err: Error, data: any) => {
 			if(err) {
 				future.throw(err);
 			} else {
diff --git a/lib/services/ios-project-service.ts b/lib/services/ios-project-service.ts
index a9712bebc2..b08217c693 100644
--- a/lib/services/ios-project-service.ts
+++ b/lib/services/ios-project-service.ts
@@ -84,7 +84,7 @@ class IOSProjectService implements  IPlatformProjectService {
 				"-configuration", options.release,
 				"build"
 			];
-			var args = [];
+			var args: string[] = [];
 
 			if(options.device) {
 				args = basicArgs.concat([
diff --git a/lib/services/platform-service.ts b/lib/services/platform-service.ts
index df9464b77b..98338d5188 100644
--- a/lib/services/platform-service.ts
+++ b/lib/services/platform-service.ts
@@ -7,7 +7,7 @@ import constants = require("./../constants");
 import helpers = require("./../common/helpers");
 
 class PlatformsData implements IPlatformsData {
-	private platformsData = {};
+	private platformsData : { [index: string]: any } = {};
 
 	constructor($androidProjectService: IPlatformProjectService,
 		$iOSProjectService: IPlatformProjectService) {
@@ -22,7 +22,7 @@ class PlatformsData implements IPlatformsData {
 		return Object.keys(this.platformsData);
 	}
 
-	public getPlatformData(platform): IPlatformData {
+	public getPlatformData(platform: string): IPlatformData {
 		return this.platformsData[platform];
 	}
 }