diff --git a/package.json b/package.json
index 614021f..8b419c5 100644
--- a/package.json
+++ b/package.json
@@ -115,10 +115,10 @@
     ]
   },
   "devDependencies": {
-    "jshint": "~1.1.0",
-    "mocha": "~1.8.0",
+    "jshint": "~2.12.0",
+    "mocha": "~8.2.0",
     "requirejs": "^2.3.2",
-    "uglify-js": "~2.7.5",
+    "uglify-js": "~3.12.0",
     "verup": "^1.3.x"
   },
   "repository": {