diff --git a/package.json b/package.json
index 9338b9b..e2ecb86 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
         "@javascript-obfuscator/estraverse": "^5.3.0",
         "esutils": "^2.0.2",
         "esprima": "^4.0.1",
-        "optionator": "^0.8.1"
+        "optionator": "^0.9.3"
     },
     "optionalDependencies": {
         "source-map": "~0.6.1"