diff --git a/.eslintrc b/.eslintrc
index ff1ed9cae2..9e4bba2f89 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -146,13 +146,13 @@
         "no-redeclare": 2,
         "no-regex-spaces": 2,
         "brace-style": [1, "1tbs"],
-        "block-scoped-var": 0,
+        "block-scoped-var": 2,
         "camelcase": 1,
         "complexity": [0, 4],
         "curly": 2,
         "dot-notation": 2,
         "eqeqeq": 2,
-        "guard-for-in": 0,
+        "guard-for-in": 2,
         "max-depth": [0, 4],
         "max-len": [0, 80, 4],
         "max-params": [0, 3],
@@ -162,14 +162,14 @@
         "one-var": 1,
         "quotes": [1, "single"],
         "quote-props": 0,
-        "radix": 0,
+        "radix": 2,
         "semi": 2,
         "keyword-spacing": 1,
         "space-before-blocks": 1,
         "strict": 1,
         "unnecessary-strict": 0,
         "use-isnan": 2,
-        "valid-typeof": 0,
+        "valid-typeof": ['error', { requireStringLiterals: true }],
         "wrap-iife": 2,
         "wrap-regex": 0,
         "yoda": 1