diff --git a/package.json b/package.json
index d3c9b1c4..c7c2c974 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "grunt-cli": "~0.1.9",
-    "grunt": "~0.4.1",
+    "grunt": "~1.6.1",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-concat": "~0.3.0",
@@ -19,13 +19,13 @@
     "messageformat": "~0.1.6",
     "handlebars-runtime": "~1.0.12",
     "grunt-express": "~1.2.0",
-    "express": "~3.4.0",
-    "ejs": "~0.8.4",
+    "express": "~4.19.2",
+    "ejs": "~3.1.10",
     "through": "~2.3.4",
     "grunt-mocha-test": "~0.7.0",
     "chai": "~1.8.0",
-    "jsdom": "~0.8.6",
-    "xmldom": "~0.1.16",
+    "jsdom": "~24.0.0",
+    "xmldom": "~0.6.0",
     "grunt-contrib-symlink": "~0.2.0",
     "grunt-contrib-uglify": "~0.2.5"
   }