diff --git a/package.json b/package.json
index cb2dba3..d1c36ab 100644
--- a/package.json
+++ b/package.json
@@ -30,9 +30,9 @@
   "devDependencies": {
     "browserify": "^16.2.3",
     "buffer-from": "^1.1.1",
-    "eslint": "^5.9.0",
+    "eslint": "^7.13.0",
     "istanbul": "^0.4.5",
-    "mocha": "^5.2.0",
+    "mocha": "^8.2.1",
     "multiparty": "^4.1.3",
     "ndoc": "^5.0.1",
     "uglify-js": "=3.4.8"