diff --git a/package.json b/package.json
index b17b3f1..e6c6bc2 100644
--- a/package.json
+++ b/package.json
@@ -11,11 +11,11 @@
     "cwise-compiler": "^1.0.0"
   },
   "devDependencies": {
-    "tape": "~1.0.4",
-    "ndarray": "~1.0.4"
+    "ndarray": "^1.0.15",
+    "tape": "^2.13.4"
   },
   "scripts": {
-    "test": "tap test/*.js"
+    "test": "node test/*.js"
   },
   "repository": {
     "type": "git",