diff --git a/stack.sh b/stack.sh
index e0a931d..066aff3 100755
--- a/stack.sh
+++ b/stack.sh
@@ -355,7 +355,7 @@
 
 # install apt requirements
 apt_get update
-apt_get install `cat $FILES/apts/* | cut -d\# -f1 | grep -Ev "mysql-server|rabbitmq-server"`
+apt_get install `cat $FILES/apts/* | cut -d\# -f1 | grep -Ev "mysql-server|rabbitmq-server|memcached"`
 
 # install python requirements
 sudo PIP_DOWNLOAD_CACHE=/var/cache/pip pip install `cat $FILES/pips/*`