diff --git a/package-lock.json b/package-lock.json
index bc698f2..56d6327 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,88 +4,169 @@
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   }
diff --git a/package.json b/package.json
index da17c35..dcf03bb 100755
--- a/package.json
+++ b/package.json
@@ -38,11 +38,11 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "mocha": "^4.0.1",
+    "mocha": "^7.1.2",
     "pegjs": "^0.10.0",
-    "yargs": "^10.0.3"
+    "yargs": "^15.3.1"
   },
   "devDependencies": {
-    "mkdirp": "^0.5.1"
+    "mkdirp": "^1.0.4"
   }
 }