diff --git a/lib/common b/lib/common
index 45bb149f11..196b15a7b5 160000
--- a/lib/common
+++ b/lib/common
@@ -1 +1 @@
-Subproject commit 45bb149f11cef3d66abf1a95f9ec8b4b7053126b
+Subproject commit 196b15a7b5009b1e50e2c12f07d7a2b220c2cf49
diff --git a/package.json b/package.json
index 34ffb7231d..4cda666504 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "mocha": "1.21.4",
     "mocha-fibers": "https://github.com/Icenium/mocha-fibers/tarball/master",
     "should": "4.0.4",
-    "typescript": "1.4.1"
+    "typescript": "1.5.0-beta"
   },
   "license": "Apache-2.0",
   "engines": {