diff --git a/package.json b/package.json
index 28df3b4d5bc59fa818f62bbbfe04bc84d113c299..697ff795443c2b4e7f42bdac8d8ee66415bc01a3 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.20190114210212",
     "scratch-l10n": "3.5.20190724160319",
-    "scratch-blocks": "0.1.0-prerelease.1563990552",
+    "scratch-blocks": "0.1.0-prerelease.1564581595",
     "scratch-paint": "0.2.0-prerelease.20190729153946",
     "scratch-render": "0.1.0-prerelease.20190605151415",
     "scratch-storage": "1.3.2",