diff --git a/.changeset/yellow-carrots-change.md b/.changeset/yellow-carrots-change.md
new file mode 100644
index 000000000..453c1dacc
--- /dev/null
+++ b/.changeset/yellow-carrots-change.md
@@ -0,0 +1,23 @@
+---
+"@onflow/util-actor": patch
+"@onflow/config": patch
+"@onflow/fcl": patch
+"@onflow/fcl-bundle": patch
+"@onflow/fcl-wc": patch
+"@onflow/protobuf": patch
+"@onflow/rlp": patch
+"@onflow/sdk": patch
+"@onflow/transport-grpc": patch
+"@onflow/transport-http": patch
+"@onflow/typedefs": patch
+"@onflow/types": patch
+"@onflow/util-address": patch
+"@onflow/util-encode-key": patch
+"@onflow/util-invariant": patch
+"@onflow/util-logger": patch
+"@onflow/util-semver": patch
+"@onflow/util-template": patch
+"@onflow/util-uid": patch
+---
+
+Fix versioning & actor bug
diff --git a/packages/fcl/package.json b/packages/fcl/package.json
index e2ea15be4..177dd3cb6 100644
--- a/packages/fcl/package.json
+++ b/packages/fcl/package.json
@@ -30,12 +30,12 @@
     "typescript": "^4.9.5"
   },
   "source": {
-    "src/fcl.ts": {
+    "src/fcl.js": {
       "cjs": "./dist/fcl.js",
       "esm": "./dist/fcl.module.js",
       "umd": "./dist/fcl.umd.min.js"
     },
-    "src/fcl-react-native.ts": {
+    "src/fcl-react-native.js": {
       "cjs": "./dist/fcl-react-native.js",
       "esm": "./dist/fcl-react-native.module.js",
       "umd": "./dist/fcl-react-native.umd.min.js"
diff --git a/packages/fcl/src/fcl-react-native.ts b/packages/fcl/src/fcl-react-native.js
similarity index 100%
rename from packages/fcl/src/fcl-react-native.ts
rename to packages/fcl/src/fcl-react-native.js
diff --git a/packages/fcl/src/fcl.ts b/packages/fcl/src/fcl.js
similarity index 100%
rename from packages/fcl/src/fcl.ts
rename to packages/fcl/src/fcl.js
diff --git a/packages/util-actor/src/index.ts b/packages/util-actor/src/index.ts
index dd9f8ad2f..2c8fc349e 100644
--- a/packages/util-actor/src/index.ts
+++ b/packages/util-actor/src/index.ts
@@ -1,7 +1,12 @@
 import {mailbox as createMailbox, type IMailbox} from "./mailbox"
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const queueMicrotask = require("queue-microtask")
+let promise: any
+const _queueMicrotask = (cb: any) =>
+  (promise || (promise = Promise.resolve())).then(cb).catch((err: any) =>
+    setTimeout(() => {
+      throw err
+    }, 0)
+  )
 
 export const INIT = "INIT"
 export const SUBSCRIBE = "SUBSCRIBE"
@@ -189,7 +194,7 @@ export const spawn = <Handlers extends ActorHandlers>(
     fn = fromHandlers<Handlers>(fnOrHandlers)
   else fn = fnOrHandlers
 
-  queueMicrotask(async () => {
+  _queueMicrotask(async () => {
     await fn(ctx)
     kill(addr)
   })