diff --git a/package.json b/package.json
index 6b6cf2c39..dd4bee4b1 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
 		"@babel/preset-env": "^7.0.0-beta.40",
 		"@babel/preset-react": "^7.0.0-beta.40",
 		"akh": "^3.1.2",
-		"autoprefixer": "^8.0.0",
+		"autoprefixer": "^8.1.0",
 		"babel-eslint": "^8.2.2",
 		"babel-loader": "8.0.0-beta.2",
 		"babel-plugin-syntax-dynamic-import": "^6.18.0",
@@ -40,31 +40,30 @@
 		"daggy": "^1.2.0",
 		"dedent-js": "^1.0.1",
 		"deep-assign": "^2.0.0",
-		"eslint": "^4.18.1",
+		"eslint": "^4.18.2",
 		"eslint-plugin-react": "^7.7.0",
 		"express": "^4.16.2",
 		"fantasy-combinators": "0.0.1",
 		"fantasy-land": "^3.5.0",
 		"fantasy-tuples": "^1.0.0",
-		"file-loader": "^1.1.10",
+		"file-loader": "^1.1.11",
 		"flow": "^0.2.3",
 		"fuse.js": "^3.2.0",
 		"global": "^4.3.2",
-		"google-translate-api": "^2.3.0",
 		"i18next": "^10.0.7",
-		"ignore-loader": "^0.1.2",
-		"hard-source-webpack-plugin": "^0.6.0",
+		"hard-source-webpack-plugin": "^0.6.4",
+		"google-translate-api": "^2.3.0",
 		"html-loader": "^0.5.5",
 		"ignore-loader": "^0.1.2",
-		"js-yaml": "^3.10.0",
+		"js-yaml": "^3.11.0",
 		"jsdom": "^11.6.2",
 		"json-loader": "^0.5.7",
 		"marked": "^0.3.17",
-		"mocha": "^5.0.1",
+		"mocha": "^5.0.4",
 		"mocha-webpack": "^1.0.1",
-		"nearley": "^2.11.1",
-		"nearley-loader": "^0.0.3",
-		"npm": "^5.6.0",
+		"nearley": "^2.13.0",
+		"nearley-loader": "^2.0.0",
+		"npm": "^5.7.1",
 		"postcss-loader": "^2.1.1",
 		"ramda": "^0.25.0",
 		"ramda-fantasy": "^0.8.0",
@@ -91,14 +90,15 @@
 		"redux-devtools": "^3.4.1",
 		"redux-devtools-dock-monitor": "^1.1.3",
 		"redux-devtools-log-monitor": "^1.4.0",
-		"redux-form": "^7.2.3",
+		"redux-form": "^7.3.0",
 		"reselect": "^3.0.1",
 		"screenfull": "^3.3.2",
 		"source-map-support": "^0.5.3",
-		"style-loader": "^0.20.2",
-		"url-loader": "^0.6.2",
-		"webpack": "^4.0.1",
-		"webpack-dev-server": "^3.1.0",
+		"style-loader": "^0.20.3",
+		"url-loader": "^1.0.1",
+		"webpack": "^4.1.1",
+		"webpack-cli": "^2.0.11",
+		"webpack-dev-server": "^3.1.1",
 		"whatwg-fetch": "^2.0.3",
 		"yaml-loader": "^0.5.0"
 	},
diff --git a/source/webpack.prod.js b/source/webpack.prod.js
index cdcce1240..62ac82103 100644
--- a/source/webpack.prod.js
+++ b/source/webpack.prod.js
@@ -3,12 +3,12 @@ var webpack = require('webpack'),
 
 module.exports = {
 	...common,
+	mode: 'production',
 	entry: {
 		bundle: ['@babel/polyfill', 'whatwg-fetch', './source/entry.js'],
 		// le nom "simulateur" est là pour des raisons historiques
 		//
 		simulateur: './source/iframe-script.js',
 		'colour-chooser': ['@babel/polyfill', './source/entry-colour-chooser.js']
-	},
-	plugins: [new webpack.optimize.UglifyJsPlugin()]
+	}
 }