diff --git a/.eslintrc b/.eslintrc
index 64cf63ad..fa2e0f94 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -94,10 +94,12 @@
         "no-sync": 0,
         "no-ternary": 0,
         "no-trailing-spaces": 2,
+        "no-this-before-super": 2,
         "no-throw-literal": 2,
         "no-undef": 2,
         "no-undef-init": 2,
         "no-undefined": 0,
+        "no-unexpected-multiline": 2,
         "no-underscore-dangle": 2,
         "no-unneeded-ternary": 2,
         "no-unreachable": 2,
@@ -111,6 +113,7 @@
         "no-with": 2,
         "no-wrap-func": 2,
 
+        "array-bracket-spacing": [2, "always"],
         "accessor-pairs": 2,
         "block-scoped-var": 2,
         "brace-style": [2, "1tbs"],
@@ -122,6 +125,7 @@
         "computed-property-spacing": [2, "never"],
         "consistent-return": 2,
         "consistent-this": [2, "self"],
+        "constructor-super": 2,
         "curly": [2, "all"],
         "default-case": 2,
         "dot-location": [2, "property"],
diff --git a/package.json b/package.json
index 190cea7f..b1291a64 100644
--- a/package.json
+++ b/package.json
@@ -23,16 +23,16 @@
     "markdown-it": "^4.2.2"
   },
   "devDependencies": {
-    "browserify": "^10.2.4",
-    "cpy": "^3.3.0",
-    "eslint": "^0.23.0",
-    "istanbul": "^0.3.15",
+    "browserify": "^11.0.1",
+    "cpy": "^3.4.0",
+    "eslint": "^0.24.1",
+    "istanbul": "^0.3.17",
     "lodash.assign": "^3.2.0",
     "lodash.clone": "^3.0.2",
     "nodeunit": "^0.9.1",
     "q": "^1.4.0",
-    "rimraf": "^2.4.0",
-    "uglify-js": "^2.4.23"
+    "rimraf": "^2.4.2",
+    "uglify-js": "^2.4.24"
   },
   "keywords": [
     "markdown",