diff --git a/lib/common b/lib/common
index 0a39e470ec..c1f80e79c2 160000
--- a/lib/common
+++ b/lib/common
@@ -1 +1 @@
-Subproject commit 0a39e470ec3245aaeccae219f697cf4404ad0254
+Subproject commit c1f80e79c2b93dfdf6a938db1c1d71309c2dda2c
diff --git a/package.json b/package.json
index 6dd39bd494..d255a3719d 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
     "chalk": "1.1.0",
     "cli-table": "https://github.com/telerik/cli-table/tarball/v0.3.1.1",
     "colors": "1.1.2",
+    "esprima": "2.7.0",
     "ffi": "https://github.com/icenium/node-ffi/tarball/v2.0.0.0",
     "fibers": "https://github.com/icenium/node-fibers/tarball/v1.0.6.2",
     "filesize": "3.1.2",