diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 7f51e8741b..652dc6cd80 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -37,8 +37,8 @@
       "from": "definition-header@>=0.3.1 <0.4.0"
     },
     "definition-tester": {
-      "version": "0.5.2",
-      "from": "definition-tester@0.5.2"
+      "version": "2.0.0-alpha",
+      "from": "definition-tester@>= 2.0.0-alpha"
     },
     "findup-sync": {
       "version": "0.3.0",
diff --git a/package.json b/package.json
index a38ab0b124..4a131fdb5b 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "help": "dt -h"
   },
   "devDependencies": {
-    "definition-tester": "0.5.2",
+    "definition-tester": ">= 2.0.0-alpha",
     "typescript": "next"
   }
 }