diff --git a/package.json b/package.json
index c785f03..2eae51c 100644
--- a/package.json
+++ b/package.json
@@ -22,12 +22,12 @@
     "jazz-midi": "^1.7.9"
   },
   "devDependencies": {
-    "eslint": "^9.7.0",
+    "eslint": "^9.9.0",
     "grunt": "^1.6.1",
     "grunt-contrib-jshint": "^3.2.0",
     "grunt-contrib-uglify": "^5.2.2",
     "midi-test": "^1.3.1",
-    "mocha": "^10.7.0",
+    "mocha": "^10.7.3",
     "nyc": "^17.0.0",
     "web-audio-test": "^0.0.8",
     "web-midi-test": "^1.2.8"