diff --git a/package-lock.json b/package-lock.json
index 589b41f..a0a3c91 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -59,6 +59,11 @@
         "indent-string": "^4.0.0"
       }
     },
+    "antlr4ts": {
+      "version": "0.5.0-alpha.3",
+      "resolved": "https://registry.npmjs.org/antlr4ts/-/antlr4ts-0.5.0-alpha.3.tgz",
+      "integrity": "sha512-La89tKkGcHFIVuruv4Bm1esc3zLmES2NOTEwwNS1pudz+zx/0FNqQeUu9p48i9/QHKPVqjN87LB+q3buTg7oDQ=="
+    },
     "antlr4ts-cli": {
       "version": "0.5.0-alpha.3",
       "resolved": "https://registry.npmjs.org/antlr4ts-cli/-/antlr4ts-cli-0.5.0-alpha.3.tgz",
diff --git a/package.json b/package.json
index ac657ba..7b0986d 100644
--- a/package.json
+++ b/package.json
@@ -21,5 +21,8 @@
     "cpy-cli": "^3.1.0",
     "rimraf": "^3.0.2",
     "typescript": "^3.8.3"
+  },
+  "dependencies": {
+    "antlr4ts": "^0.5.0-alpha.3"
   }
 }