diff --git a/package.json b/package.json
index cc284ad212d70ae462dc94e67b113083f4077489..951fcfa6c7a505c68173282c33f106e31c1f6ed2 100644
--- a/package.json
+++ b/package.json
@@ -86,12 +86,12 @@
     "redux-throttle": "0.1.1",
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.1513803406",
-    "scratch-blocks": "0.1.0-prerelease.1514558744",
+    "scratch-blocks": "0.1.0-prerelease.1515121920",
     "scratch-l10n": "2.0.20171211145754",
     "scratch-paint": "0.1.0-prerelease.20171220165922",
     "scratch-render": "0.1.0-prerelease.1513807417",
     "scratch-storage": "0.3.0",
-    "scratch-vm": "0.1.0-prerelease.1514561281-prerelease.1514561294",
+    "scratch-vm": "0.1.0-prerelease.1515163816-prerelease.1515163829",
     "selenium-webdriver": "3.5.0",
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.19.0",