diff --git a/nodejs5_jdk_adk25/README.md b/nodejs5_jdk_adk25/README.md
index 88c6be551b31d78d534d45eafd2efc63baa9afb8..a6e908fbbaec0e3b005438d70c37f37d4e8d3a64 100644
--- a/nodejs5_jdk_adk25/README.md
+++ b/nodejs5_jdk_adk25/README.md
@@ -1,9 +1,10 @@
 # nodejs5_jdk_adk25
 
-* NodeJS 5.x
+* NodeJS 5.12
 * bower
 * gulp
 * cordova 6.3.1
+* zipalign
 * Android toolchain
   * build-tools:
     * 25.0.1
@@ -19,4 +20,12 @@ Use like:
 ```
 config.vm.box = "henrietta/nodejs5_jdk_adk25"
 config.vm.box_url = "http://dev.dms-serwis.com.pl/vagrant/nodejs5_jdk_adk25.box"
-```
\ No newline at end of file
+```
+
+This machine requires a lot of CPU and memory. You can use ones below:
+```
+  config.vm.provider "virtualbox" do |v|
+    v.memory = 1260
+    v.cpus = 3
+  end
+```
diff --git a/nodejs5_jdk_adk25/Vagrantfile b/nodejs5_jdk_adk25/Vagrantfile
index 710b7e9b5036586781bad3d8bc22354e38798893..b1fa762ef8969b1923ba630e05c8030198a0940a 100644
--- a/nodejs5_jdk_adk25/Vagrantfile
+++ b/nodejs5_jdk_adk25/Vagrantfile
@@ -2,9 +2,14 @@
 Vagrant.configure("2") do |config|
   config.vm.box = "debian/contrib-jessie64"
 
+  config.vm.provider "virtualbox" do |v|
+    v.memory = 1260
+    v.cpus = 3
+  end
+
   config.vm.provision "shell", inline: <<-SHELL
     apt-get update
-    apt-get install -y curl git build-essential unzip python
+    apt-get install -y curl git build-essential unzip python zipalign
 
     wget -O - https://deb.nodesource.com/setup_5.x | bash -
     apt-get install -y nodejs