diff --git a/Android.mk b/Android.mk
index ca8087c..0da1b90 100644
--- a/Android.mk
+++ b/Android.mk
@@ -936,6 +936,7 @@
     payload_generator/topological_sort_unittest.cc \
     payload_generator/zip_unittest.cc \
     payload_state_unittest.cc \
+    proxy_resolver_unittest.cc \
     update_attempter_unittest.cc \
     update_manager/boxed_value_unittest.cc \
     update_manager/chromeos_policy_unittest.cc \