diff --git a/package-lock.json b/package-lock.json
index bcc6873043048a9a28618f6cc3c1294c99862986..d08a44349783696a758f1b734092dabe658e2944 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11708,9 +11708,9 @@
       }
     },
     "scratch-blocks": {
-      "version": "0.1.0-prerelease.1580911107",
-      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.1580911107.tgz",
-      "integrity": "sha512-2+bpWEL/2N569nGVPT4nZ5l9lwfezhsImJmw7XQAsJxzvRt9Ou9ZnkFAJN1trTZq/8krYoqjkXOoSe6gmbXW+g==",
+      "version": "0.1.0-prerelease.1581428931",
+      "resolved": "https://registry.npmjs.org/scratch-blocks/-/scratch-blocks-0.1.0-prerelease.1581428931.tgz",
+      "integrity": "sha512-e4J7p1uk1/Y4FVj/qwVvl5J3W670Cvetz+ijvI4ZpOEDxFx1Ub/Wd+blvcFSCEh7dF1/P0lRBfVCzftPltKGhQ==",
       "dev": true,
       "requires": {
         "exports-loader": "0.6.3",
diff --git a/package.json b/package.json
index d4689f3a116cc529149a838051252909bd350941..68822c9a75902089e8299eecfc059574d59424ca 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.20190925183642",
     "scratch-l10n": "3.7.20200212141356",
-    "scratch-blocks": "0.1.0-prerelease.1580911107",
+    "scratch-blocks": "0.1.0-prerelease.1581428931",
     "scratch-paint": "0.2.0-prerelease.20200212183139",
     "scratch-render": "0.1.0-prerelease.20200205011809",
     "scratch-storage": "1.3.2",