Update dependencies

Author: rpetrich

package-lock.json

@@ -8,15 +8,15 @@
     "test": "test"
   },
   "dependencies": {
-    "icss-replace-symbols": "1.1.0",
-    "postcss": "6.0.1",
-    "postcss-modules-extract-imports": "1.1.0",
-    "postcss-modules-local-by-default": "1.2.0",
-    "postcss-modules-scope": "1.1.0",
-    "postcss-modules-values": "1.3.0",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
-    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0"
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",
+    "icss-replace-symbols": "^1.1.0",
+    "postcss": "^6.0.21",
+    "postcss-modules-extract-imports": "^1.2.0",
+    "postcss-modules-local-by-default": "^1.2.0",
+    "postcss-modules-scope": "^1.1.0",
+    "postcss-modules-values": "^1.3.0"
   },
   "devDependencies": {
     "babel-eslint": "7.1.0",