diff --git a/package.json b/package.json
index 505f4f67333..0b20c970054 100644
--- a/package.json
+++ b/package.json
@@ -32,10 +32,10 @@
     },
     "dependencies": {
         "pxt-common-packages": "10.4.10",
-        "pxt-core": "9.1.21"
+        "pxt-core": "9.1.22"
     },
     "optionalDependencies": {
-        "pxt-arcade-sim": "microsoft/pxt-arcade-sim.git#v0.11.5"
+        "pxt-arcade-sim": "microsoft/pxt-arcade-sim.git#v0.11.9"
     },
     "scripts": {
         "serve": "node node_modules/pxt-core/built/pxt.js serve",