diff --git a/package-lock.json b/package-lock.json
index bd5c94d..8185aab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "antlr4-c3",
-    "version": "3.3.5",
+    "version": "3.3.6",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "antlr4-c3",
-            "version": "3.3.5",
+            "version": "3.3.6",
             "license": "MIT",
             "dependencies": {
                 "antlr4ng": "2.0.10"
diff --git a/package.json b/package.json
index 65b16f4..112d050 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
         "test": "node --no-warnings --experimental-vm-modules node_modules/jest/bin/jest.js --no-coverage",
         "generate": "antlr4ng -Dlanguage=TypeScript tests/CPP14.g4 tests/Expr.g4 tests/Whitebox.g4 -no-listener -no-visitor -o tests/generated -Xexact-output-dir",
         "eslint": "eslint .",
-        "esbuild": "esbuild ./index.ts --bundle --outfile=lib/index.mjs --format=esm --sourcemap=external --packages=external"
+        "esbuild": "esbuild ./index.ts --bundle --outfile=lib/index.mjs --format=esm --sourcemap=external --packages=external --keep-names"
     },
     "devDependencies": {
         "@types/jest": "29.5.12",