diff --git a/package.json b/package.json
index 6d65310..16c6d5c 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "mocha": "^3.1.2",
     "sinon": "^3.2.1",
     "sinon-chai": "^2.13.0",
-    "tap-spec": "^4.1.1",
+    "tap-spec": "^5.0.0",
     "tape": "^4.8.0"
   }
 }