diff --git a/.eslintrc.json b/.eslintrc.json
index 20c7ebb7..86c3ba7a 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -63,9 +63,11 @@
         "lines-around-comment": "off",
         "lines-around-directive": "error",
         "lines-between-class-members": "error",
+        "max-classes-per-file": "error",
         "max-depth": "error",
         "max-len": "error",
         "max-lines": "off",
+        "max-lines-per-function": "off",
         "max-nested-callbacks": "error",
         "max-params": ["error", 8],
         "max-statements": ["error", 20],
@@ -227,6 +229,7 @@
         "prefer-const": "error",
         "prefer-destructuring": "off",
         "prefer-numeric-literals": "error",
+        "prefer-object-spread": "error",
         "prefer-promise-reject-errors": "error",
         "prefer-reflect": "off",
         "prefer-rest-params": "error",
diff --git a/package.json b/package.json
index ba880808..4d8728b6 100644
--- a/package.json
+++ b/package.json
@@ -26,22 +26,22 @@
     "node": ">=6"
   },
   "dependencies": {
-    "markdown-it": "8.4.1"
+    "markdown-it": "8.4.2"
   },
   "devDependencies": {
-    "@types/node": "~9.6.15",
+    "@types/node": "~10.5.2",
     "browserify": "~16.2.2",
     "cpy-cli": "~2.0.0",
-    "eslint": "~4.19.1",
+    "eslint": "~5.2.0",
     "glob": "~7.1.2",
     "istanbul": "~0.4.5",
-    "js-yaml": "~3.11.0",
-    "nodeunit": "~0.11.2",
+    "js-yaml": "~3.12.0",
+    "nodeunit": "~0.11.3",
     "rimraf": "~2.6.2",
     "toml": "~2.3.3",
     "tv4": "~1.3.0",
-    "typescript": "~2.8.3",
-    "uglify-js": "~3.3.27"
+    "typescript": "~2.9.2",
+    "uglify-js": "~3.4.5"
   },
   "keywords": [
     "markdown",