diff --git a/package.json b/package.json
index 3d9818a..55dbac4 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,6 @@
     "linear-preset-factory": "^1.0.2",
     "rescale": "^10.0.0",
     "rimraf": "^2.3.2",
-    "should": "^8.0.2"
+    "should": "^9.0.1"
   }
 }