diff --git a/package.json b/package.json
index aa05881e5d..22a17ab2e2 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     },
     "dependencies": {
         "pxt-common-packages": "10.3.26",
-        "pxt-core": "8.5.65"
+        "pxt-core": "8.5.66"
     },
     "optionalDependencies": {
         "pxt-arcade-sim": "microsoft/pxt-arcade-sim.git#v0.11.11"