diff --git a/package.json b/package.json
index c3fd169..2b002d9 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "eslint-plugin-react": "^6.9.0",
     "fb-watchman": "^2.0.0",
     "flow-bin": "^0.37.4",
-    "js-yaml": "^3.7.0",
+    "js-yaml": "^3.8.1",
     "jsdoc": "^3.4.3",
     "jsdom": "^9.10.0",
     "json-loader": "^0.5.4",
@@ -99,7 +99,7 @@
     "node-sass": "^4.5.0",
     "node-sass-import-once": "^1.2.0",
     "null-loader": "^0.1.1",
-    "postcss": "^5.2.11",
+    "postcss": "^5.2.12",
     "react": "^15.4.2",
     "react-hot-loader": "^1.3.1",
     "remarkable": "^1.7.1",
@@ -113,7 +113,7 @@
   },
   "devDependencies": {
     "chai": "^3.5.0",
-    "coveralls": "^2.11.15",
+    "coveralls": "^2.11.16",
     "isparta": "^4.0.0",
     "mocha": "^3.2.0",
     "mt-changelog": "^0.6.2",