1 files changed, 1 insertions, 1 deletions
diff --git a/update.py b/update.py
index 9e53f9e6..36def2c4 100755
--- a/update.py
+++ b/update.py
@@ -3,7 +3,7 @@
 import codecs, httplib, json, optparse, os, urllib, shutil, subprocess, sys
 
 upstream_git = 'https://github.com/catapult-project/catapult.git'
-PACKAGE_DIRS = ['common', 'dependency_manager', 'devil', 'systrace']
+PACKAGE_DIRS = ['common', 'dependency_manager', 'devil', 'systrace', 'third_party/pyserial']
 
 script_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
 catapult_src_dir = os.path.join(script_dir, 'catapult-upstream')