diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index 0a1e3f3..f897280f 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -208,6 +208,7 @@
   subversion
   ttf-dejavu-core
   wdiff
+  x11-utils
   xcompmgr
   zip
   $chromeos_dev_list