diff --git a/scripts/build.py b/scripts/build.py
index f52e8213..11b8b5d9 100644
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -12,6 +12,7 @@ from sets import Set
 import pwd
 import argparse
 import time
+import datetime
 
 all_deps = Set()
 dep_tree = {}
@@ -112,3 +113,5 @@ order = [m for m in order if m not in exclude]
 print "order is: " + ' '.join(order)
 build(order, target)
 
+print datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+