diff --git a/package.json b/package.json
index 9d8fa67..8f58c68 100644
--- a/package.json
+++ b/package.json
@@ -27,8 +27,8 @@
   ],
   "dependencies": {},
   "devDependencies": {
-    "ava": "^0.10.0",
-    "nyc": "^5.3.0",
-    "xo": "^0.12.1"
+    "ava": "^0.15.2",
+    "nyc": "^7.1.0",
+    "xo": "^0.16.0"
   }
 }