diff --git a/package.json b/package.json
index ff3f297..4510900 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "minimist": "^1.2.0",
     "nyc": "^11.0.2",
     "pretty-bytes": "^5.0.0",
-    "time-span": "^2.0.0",
+    "time-span": "^3.0.0",
     "xo": "^0.19.0"
   }
 }