update deps. (#19)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "postcss-jsx",
-  "version": "0.27.1",
+  "version": "0.28.0",
   "description": "PostCSS syntax for parsing CSS in JS literals",
   "repository": {
     "type": "git",
@@ -45,14 +45,14 @@
     "@babel/parser": "^7.0.0-beta.49",
     "@babel/traverse": "^7.0.0-beta.49",
     "@babel/types": "^7.0.0-beta.49",
-    "postcss-styled": ">=0.27.0"
+    "postcss-styled": ">=0.28.0"
   },
   "peerDependencies": {
     "postcss": ">=5.0.0",
-    "postcss-syntax": ">=0.27.0"
+    "postcss-syntax": ">=0.28.0"
   },
   "devDependencies": {
-    "autoprefixer": "^8.6.0",
+    "autoprefixer": "^8.6.2",
     "chai": "^4.1.2",
     "codecov": "^3.0.2",
     "json5": "^1.0.1",
@@ -61,6 +61,6 @@
     "postcss": "^6.0.22",
     "postcss-parser-tests": "^6.2.1",
     "postcss-safe-parser": "^3.0.1",
-    "postcss-syntax": ">=0.27.0"
+    "postcss-syntax": ">=0.28.0"
   }
 }