diff --git a/projects/demo/etcd/infrakit.json b/projects/demo/etcd/infrakit.json
index c562fc5ef..263d070e3 100644
--- a/projects/demo/etcd/infrakit.json
+++ b/projects/demo/etcd/infrakit.json
@@ -16,7 +16,7 @@
                 "kernel+initrd": "etcd",
                 "Disk" : 1024,
                 "CPUs" : 1,
-                "Memory" : 1024
+                "Memory" : 512
             }
         },
         "Flavor": {
diff --git a/projects/demo/intro/intro.yml b/projects/demo/intro/intro.yml
index d8bebaafb..92b41edba 100644
--- a/projects/demo/intro/intro.yml
+++ b/projects/demo/intro/intro.yml
@@ -27,7 +27,7 @@ services:
     net: host
     oomScoreAdj: -800
   - name: nginx
-    image: "nginx:alpine"
+    image: "nginx:1.11.12-alpine"
     capabilities:
      - CAP_NET_BIND_SERVICE
      - CAP_CHOWN