diff --git a/package.json b/package.json
index 215886cb..c9399b2c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "url": "git://github.com/ironSource/parquetjs.git"
   },
   "dependencies": {
-    "async-mutex": "^0.2.2",
+    "async-mutex": "^0.4.0",
     "brotli": "^1.3.0",
     "bson": "^1.0.4",
     "int53": "^0.2.4",