diff --git a/package.json b/package.json
index 0028f9f..78035d3 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,9 @@
     "test": "make test"
   },
   "dependencies": {
-    "argparse": "~1.0.0",
+    "argparse": "~1.0.2",
     "entities": "~1.1.1",
-    "linkify-it": "~1.0.1",
+    "linkify-it": "~1.1.0",
     "mdurl": "~1.0.0",
     "uc.micro": "^1.0.0"
   },
@@ -29,7 +29,7 @@
     "autoprefixer-stylus": "~0.5.0",
     "benchmark": "~1.0.0",
     "browserify": "*",
-    "chai": "^2.1.0",
+    "chai": "^2.2.0",
     "commonmark": "~0.18.1",
     "coveralls": "~2.11.2",
     "eslint": "0.13.0",