diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 0c3c209..b736646 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,3 +1,6 @@
+* 0.5.2
+  * added tsx support for watches (#110)
+  * replaced gulp-minify-css by gulp-clean-css
 * 0.5.1
   * fixed issue with the production build (404 at first render)
 * 0.5.0
diff --git a/README.md b/README.md
index 7918779..74f960b 100644
--- a/README.md
+++ b/README.md
@@ -754,7 +754,7 @@ Check out [gulp-inline-source](https://www.npmjs.com/package/gulp-inline-source)
 * gulp-inline-source: inline scripts & stylesheets: https://www.npmjs.com/package/gulp-inline-source
 * gulp-jshint: JavaScript code quality checker plugin for gulp that uses JSHint: https://www.npmjs.com/package/gulp-jshint
 * gulp-minify-html: minify html with minimize: https://www.npmjs.com/package/gulp-minify-html
-* gulp-minify-css: minify css with clean-css: https://www.npmjs.com/package/gulp-minify-css
+* gulp-clean-css: minify css with clean-css: https://www.npmjs.com/package/gulp-clean-css
 * gulp-replace: string replace plugin for gulp: https://www.npmjs.com/package/gulp-replace
 * gulp-sass: sass plugin for gulp: https://www.npmjs.com/package/sass
 * node-sass: used by gulp-sass and normally not needed but added to fix an issue with sourcemaps: https://github.com/sindresorhus/gulp-autoprefixer/issues/10
diff --git a/UPGRADE.MD b/UPGRADE.MD
index 8527fb1..6663f2b 100644
--- a/UPGRADE.MD
+++ b/UPGRADE.MD
@@ -1,5 +1,8 @@
 # Upgrade guide
 
+## From 0.5.1 to 0.5.2
+No modification mandatory with this release.
+
 ## From 0.5.0 to 0.5.1
 No modification mandatory with this release.
 
diff --git a/package.json b/package.json
index 5d38d5b..6a1a5fc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "modern-web-dev-build",
   "description": "Modern Web Development Build.",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "author": {
     "name": "Sebastien Dubois",
     "email": "seb@dsebastien.net",
@@ -28,10 +28,6 @@
     "es2015",
     "sass"
   ],
-  "devDependencies": {
-    "jasmine": "2.4.x",
-    "karma-jasmine": "0.3.x"
-  },
   "dependencies": {
     "autoprefixer": "6.3.x",
     "babel-core": "6.5.x",
@@ -62,7 +58,7 @@
     "gulp-jscs": "3.0.x",
     "gulp-jscs-stylish": "1.3.x",
     "gulp-jshint": "1.12.x",
-    "gulp-minify-css": "1.2.x",
+    "gulp-clean-css": "2.0.x",
     "gulp-minify-html": "1.0.x",
     "gulp-nice-package": "1.1.x",
     "gulp-notify": "2.2.x",
@@ -98,6 +94,12 @@
     "karma-jspm": "2.0.x",
     "karma-systemjs": "0.10.x"
   },
+  "devDependencies": {
+    "jasmine": "2.4.x",
+    "karma-jasmine": "0.3.x",
+    "typescript": "1.8.x",
+    "nodemon": "1.8.x"
+  },
   "peerDependencies": {
     "babel-core": "6.5.x",
     "gulp": "3.9.x",
diff --git a/src/gulp/config.js b/src/gulp/config.js
index d9653cc..5f6acfd 100644
--- a/src/gulp/config.js
+++ b/src/gulp/config.js
@@ -154,7 +154,7 @@ let autoprefixerBrowsers = [
     "bb >= 10"
 ];
 
-let minifyCss = { // https://www.npmjs.com/package/gulp-minify
+let minifyCss = { // https://github.com/jakubpawlowicz/clean-css#how-to-use-clean-css-api
     keepBreaks: false, // no problem here
     keepSpecialComments: true, // necessary for licensing
     compatibility: false, // no problem here
diff --git a/src/gulp/tasks/styles-dist.js b/src/gulp/tasks/styles-dist.js
index 54a33bd..bb0e98b 100644
--- a/src/gulp/tasks/styles-dist.js
+++ b/src/gulp/tasks/styles-dist.js
@@ -8,7 +8,7 @@ import sass from "gulp-sass";
 import cssimport from "gulp-cssimport";
 import concat from "gulp-concat";
 import csso from "gulp-csso";
-import minifyCss from "gulp-minify-css";
+import minifyCss from "gulp-clean-css";
 import size from "gulp-size";
 
 class StylesDistTaskLoader extends AbstractTaskLoader {
diff --git a/src/gulp/tasks/styles-vendor-dist.js b/src/gulp/tasks/styles-vendor-dist.js
index e3e4cb1..e96a7ea 100644
--- a/src/gulp/tasks/styles-vendor-dist.js
+++ b/src/gulp/tasks/styles-vendor-dist.js
@@ -8,7 +8,7 @@ import sass from "gulp-sass";
 import cssimport from "gulp-cssimport";
 import concat from "gulp-concat";
 import csso from "gulp-csso";
-import minifyCss from "gulp-minify-css";
+import minifyCss from "gulp-clean-css";
 import size from "gulp-size";
 //import debug from "gulp-debug";