diff --git a/centos_build_layer.cfg b/centos_build_layer.cfg
new file mode 100644
index 00000000..c581999f
--- /dev/null
+++ b/centos_build_layer.cfg
@@ -0,0 +1 @@
+flock
diff --git a/devstack/files/debs/ha b/devstack/files/debs/ha
index 16973a6c..49b5e419 100644
--- a/devstack/files/debs/ha
+++ b/devstack/files/debs/ha
@@ -2,3 +2,6 @@ facter
 libglib2.0-dev
 libjson-c-dev
 libsqlite3-dev
+mysql-server
+mysql-client 
+libmysqlclient-dev