diff --git a/package.json b/package.json
index a94e680c..27c4f9f0 100644
--- a/package.json
+++ b/package.json
@@ -34,22 +34,22 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@babel/standalone": "7.0.0-beta.32",
-    "acorn": "5.1.2",
+    "acorn": "5.2.1",
     "babylon": "7.0.0-beta.32",
     "benchmark": "^2.1.4",
-    "buble": "0.16.0",
+    "buble": "0.17.3",
     "chai": "4.1.2",
-    "coffeescript": "2.0.1",
+    "coffeescript": "2.0.2",
     "compute-gmean": "^1.1.0",
-    "espree": "3.5.1",
+    "espree": "3.5.2",
     "esprima": "4.0.0",
     "jshint": "2.9.5",
     "lebab": "2.7.7",
-    "prepack": "0.2.9",
-    "prettier": "1.7.4",
-    "source-map": "0.5.7",
+    "prepack": "0.2.11",
+    "prettier": "1.8.2",
+    "source-map": "0.6.1",
     "string-align": "^0.2.0",
-    "typescript": "2.5.3",
+    "typescript": "2.6.1",
     "virtualfs": "^1.0.0"
   },
   "devDependencies": {
@@ -61,8 +61,8 @@
     "node-libs-browser": "^2.1.0",
     "os-browserify": "^0.3.0",
     "raw-loader": "github:bmeurer/raw-loader#escape",
-    "uglify-es": "3.1.3",
-    "uglify-js": "3.1.3",
+    "uglify-es": "3.1.9",
+    "uglify-js": "3.1.9",
     "webpack": "^3.8.1"
   }
 }