diff --git a/package.json b/package.json
index 3701a7e..3057009 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/unshiftio/hearing-aid#readme",
   "devDependencies": {
-    "assume": "1.5.0",
+    "assume": "1.5.2",
     "istanbul": "0.4.5",
     "mocha": "3.5.0",
     "pre-commit": "1.2.0"