diff --git a/package.json b/package.json
index d33b9d1db30728963df5b502e48fd3c5d3918330..5cc35fb64efc6fcccfbd7bf6423984324eac8dec 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "babel-preset-react": "^6.22.0",
     "base64-loader": "1.0.0",
     "bowser": "1.9.4",
-    "chromedriver": "2.41.0",
+    "chromedriver": "2.42.0",
     "classnames": "2.2.6",
     "copy-webpack-plugin": "^4.5.1",
     "core-js": "2.5.7",
@@ -99,6 +99,9 @@
     "scratch-blocks": "0.1.0-prerelease.1535662135",
     "scratch-l10n": "3.0.20180830210150",
     "scratch-paint": "0.2.0-prerelease.20180918203812",
+    "scratch-blocks": "0.1.0-prerelease.1537303399",
+    "scratch-l10n": "3.0.20180918211645",
+    "scratch-paint": "0.2.0-prerelease.20180918203812",
     "scratch-render": "0.1.0-prerelease.20180918201144",
     "scratch-storage": "1.0.2",
     "scratch-svg-renderer": "0.2.0-prerelease.20180907141232",