diff --git a/package.json b/package.json
index c798e48..ffcac60 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
   "devDependencies": {
     "elm": "^0.18.0",
     "elm-live": "^2.7.4",
-    "elm-test": "^0.18.3",
+    "elm-test": "^0.18.13",
     "gh-pages": "^0.12.0",
     "rimraf": "^2.6.1",
-    "uglify-js": "^3.0.1"
+    "uglify-js": "^3.15.3"
   }
 }