diff --git a/package.json b/package.json
index abaff747..afe04abb 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     ],
     "simulation": true,
     "phet-io": {
-      "phetLibs": [
+      "wrappers": [
         "phet-io-wrapper-lab-book"
       ]
     }