diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index b736646..59767b0 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,3 +1,6 @@
+* 0.5.3
+  * now less strict with dependencies (#118)
+  * updated dependencies
 * 0.5.2
   * added tsx support for watches (#110)
   * replaced gulp-minify-css by gulp-clean-css
diff --git a/UPGRADE.MD b/UPGRADE.MD
index 6663f2b..38bd25a 100644
--- a/UPGRADE.MD
+++ b/UPGRADE.MD
@@ -1,5 +1,8 @@
 # Upgrade guide
 
+## From 0.5.2 to 0.5.3
+Review the versions of your dependencies.
+
 ## From 0.5.1 to 0.5.2
 No modification mandatory with this release.
 
diff --git a/package.json b/package.json
index 6a1a5fc..4524e1a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "modern-web-dev-build",
   "description": "Modern Web Development Build.",
-  "version": "0.5.2",
+  "version": "0.5.3",
   "author": {
     "name": "Sebastien Dubois",
     "email": "seb@dsebastien.net",
@@ -29,82 +29,83 @@
     "sass"
   ],
   "dependencies": {
-    "autoprefixer": "6.3.x",
-    "babel-core": "6.5.x",
-    "babel-plugin-transform-es2015-modules-commonjs": "6.5.x",
-    "babel-preset-es2015": "6.5.x",
-    "babel-runtime": "6.5.x",
-    "browser-sync": "2.11.x",
-    "connect-history-api-fallback": "1.1.0",
-    "del": "2.2.x",
-    "event-stream": "3.3.x",
-    "jspm": "0.16.x",
-    "gulp": "3.9.x",
-    "gulp-autoprefixer": "3.1.x",
-    "gulp-babel": "6.1.x",
-    "gulp-cache": "0.4.x",
-    "gulp-changed": "1.3.x",
-    "gulp-concat": "2.6.x",
-    "gulp-cssimport": "2.1.x",
-    "gulp-csso": "1.0.x",
-    "gulp-debug": "2.1.x",
-    "gulp-flatten": "0.2.x",
-    "gulp-help": "1.6.x",
-    "gulp-html-replace": "1.5.x",
-    "gulp-if": "2.0.x",
-    "gulp-imagemin": "2.4.x",
-    "gulp-inline-source": "2.1.x",
-    "gulp-inject": "3.0.x",
-    "gulp-jscs": "3.0.x",
-    "gulp-jscs-stylish": "1.3.x",
-    "gulp-jshint": "1.12.x",
-    "gulp-clean-css": "2.0.x",
-    "gulp-minify-html": "1.0.x",
-    "gulp-nice-package": "1.1.x",
-    "gulp-notify": "2.2.x",
-    "gulp-plumber": "1.1.x",
-    "gulp-rename": "1.2.x",
-    "gulp-replace": "0.5.x",
-    "gulp-sass": "2.1.x",
-    "gulp-size": "2.0.x",
-    "gulp-sourcemaps": "1.6.x",
-    "gulp-strip-debug": "1.1.x",
-    "gulp-tslint": "4.3.x",
-    "tslint": "3.3.x",
-    "gulp-typescript": "2.11.x",
-    "gulp-uglify": "1.5.x",
-    "gulp-uncss": "1.0.x",
-    "gulp-util": "3.0.x",
-    "gulp-wait": "0.0.2",
-    "jshint-stylish": "2.1.x",
-    "node-sass": "3.4.x",
-    "opn": "4.0.x",
-    "require-dir": "0.3.x",
-    "run-sequence": "1.1.x",
-    "systemjs-builder": "0.15.x",
-    "karma": "0.13.x",
-    "karma-phantomjs-launcher": "0.2.x",
-    "phantomjs": "1.9.x",
-    "phantomjs-polyfill": "0.0.x",
-    "karma-chrome-launcher": "0.2.x",
-    "karma-firefox-launcher": "0.1.7",
-    "karma-ie-launcher": "0.2.0",
-    "karma-spec-reporter": "0.0.x",
-    "karma-junit-reporter": "0.3.x",
-    "karma-jspm": "2.0.x",
-    "karma-systemjs": "0.10.x"
+    "autoprefixer": "^6.3.4",
+    "babel-core": "^6.7.4",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.7.0",
+    "babel-preset-es2015": "^6.6.0",
+    "babel-runtime": "^6.6.1",
+    "browser-sync": "^2.11.2",
+    "connect-history-api-fallback": "^1.2.0",
+    "del": "^2.2.0",
+    "event-stream": "^3.3.2",
+    "jspm": "^0.16.31",
+    "gulp": "^3.9.1",
+    "gulp-autoprefixer": "^3.1.0",
+    "gulp-babel": "^6.1.2",
+    "gulp-cache": "^0.4.3",
+    "gulp-changed": "^1.3.0",
+    "gulp-concat": "^2.6.0",
+    "gulp-cssimport": "^3.0.2",
+    "gulp-csso": "^1.1.0",
+    "gulp-debug": "^2.1.2",
+    "gulp-flatten": "^0.2.0",
+    "gulp-help": "^1.6.1",
+    "gulp-html-replace": "^1.5.5",
+    "gulp-if": "^2.0.0",
+    "gulp-imagemin": "^2.4.0",
+    "gulp-inline-source": "^2.1.0",
+    "gulp-jscs": "^3.0.2",
+    "gulp-jscs-stylish": "^1.3.0",
+    "jshint": "^2.9.1",
+    "gulp-jshint": "^2.0.0",
+    "gulp-clean-css": "^2.0.4",
+    "gulp-minify-html": "^1.0.6",
+    "gulp-nice-package": "^1.1.0",
+    "gulp-notify": "^2.2.0",
+    "gulp-plumber": "^1.1.0",
+    "gulp-rename": "^1.2.2",
+    "gulp-replace": "^0.5.4",
+    "gulp-sass": "^2.2.0",
+    "gulp-size": "^2.1.0",
+    "gulp-sourcemaps": "^1.6.0",
+    "gulp-strip-debug": "^1.1.0",
+    "gulp-tslint": "^4.3.4",
+    "tslint": "^3.6.0",
+    "gulp-typescript": "^2.12.1",
+    "gulp-uglify": "^1.5.3",
+    "gulp-uncss": "^1.0.5",
+    "gulp-util": "^3.0.7",
+    "gulp-wait": "^0.0.2",
+    "jshint-stylish": "^2.1.0",
+    "node-sass": "^3.4.2",
+    "opn": "^4.0.1",
+    "require-dir": "^0.3.0",
+    "run-sequence": "^1.1.5",
+    "systemjs-builder": "^0.15.13",
+    "karma": "^0.13.22",
+    "karma-phantomjs-launcher": "^1.0.0",
+    "phantomjs": "^2.1.3",
+    "phantomjs-polyfill": "^0.0.2",
+    "phantomjs-prebuilt": "^2.1.7",
+    "karma-chrome-launcher": "^0.2.3",
+    "karma-firefox-launcher": "^0.1.7",
+    "karma-ie-launcher": "^0.2.0",
+    "karma-spec-reporter": "^0.0.24",
+    "karma-junit-reporter": "^0.4.1",
+    "karma-jspm": "^2.1.0",
+    "karma-systemjs": "^0.13.0"
   },
   "devDependencies": {
-    "jasmine": "2.4.x",
-    "karma-jasmine": "0.3.x",
-    "typescript": "1.8.x",
-    "nodemon": "1.8.x"
+    "jasmine": "^2.4.1",
+    "karma-jasmine": "^0.3.8",
+    "typescript": "^1.8.9",
+    "nodemon": "^1.9.1"
   },
   "peerDependencies": {
-    "babel-core": "6.5.x",
-    "gulp": "3.9.x",
-    "nodemon": "1.8.x",
-    "typescript": "1.8.x"
+    "babel-core": "^6.6.1",
+    "gulp": "^3.9.1",
+    "nodemon": "^1.9.1",
+    "typescript": "^1.8.9"
   },
   "engines": {
     "node": ">=4.2.6",