diff --git a/packages/blockly/package.json b/packages/blockly/package.json
index 880cb12a7be..0b4f61a2eec 100644
--- a/packages/blockly/package.json
+++ b/packages/blockly/package.json
@@ -47,7 +47,7 @@
     "test:generators": "gulp testGenerators",
     "test:mocha:interactive": "npm run build && concurrently -n tsc,server \"tsc --watch --preserveWatchOutput --outDir \"build/src\" --declarationDir \"build/declarations\"\" \"gulp interactiveMocha\"",
     "test:compile:advanced": "gulp buildAdvancedCompilationTest --debug",
-    "updateGithubPages": "npm ci && gulp updateGithubPages --upstream",
+    "updateGithubPages": "npm ci && cp -R ../../node_modules/@blockly node_modules/ && gulp updateGithubPages --upstream",
     "updateGithubPages:staging": "npm ci && gulp updateGithubPages --use-local"
   },
   "exports": {