diff --git a/lib/ts/package.json b/lib/ts/package.json
index ae1ad42..268d0c6 100644
--- a/lib/ts/package.json
+++ b/lib/ts/package.json
@@ -16,13 +16,13 @@
     "@types/qunit": "^2.5.4",
     "browserify": "^16.2.3",
     "bufferutil": "^4.0.1",
-    "grunt": "^1.0.3",
-    "grunt-cli": "^1.2.0",
+    "grunt": "^1.4.1",
+    "grunt-cli": "^1.4.3",
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-jshint": "^1.0.0",
     "grunt-contrib-qunit": "^3.1.0",
     "grunt-contrib-uglify": "^1.0.1",
-    "grunt-jsdoc": "^2.2.1",
+    "grunt-jsdoc": "^2.4.1",
     "grunt-shell-spawn": "^0.3.12",
     "jslint": "^0.12.0",
     "node-int64": "^0.4.0",
@@ -31,7 +31,7 @@
   },
   "dependencies": {
     "bufferutil": "^4.0.1",
-    "jsdoc": "^3.5.5",
+    "jsdoc": "^3.6.7",
     "json-int64": "^1.0.0",
     "nopt": "^4.0.1"
   },