diff --git a/Vagrantfile b/Vagrantfile
index 6bbea51d46..2d6b488cfe 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -79,9 +79,10 @@ if [ ! -d /opt/VBoxGuestAdditions-4.3.2/ ]; then
     apt-get install -q -y linux-headers-generic-lts-raring dkms
 
     echo 'Downloading VBox Guest Additions...'
-    wget -cq http://dlc.sun.com.edgesuite.net/virtualbox/4.3.2/VBoxGuestAdditions_4.3.2.iso
+    wget -cq http://dlc.sun.com.edgesuite.net/virtualbox/4.3.4/VBoxGuestAdditions_4.3.4.iso
+    echo "f120793fa35050a8280eacf9c930cf8d9b88795161520f6515c0cc5edda2fe8a  VBoxGuestAdditions_4.3.4.iso" | sha256sum --check || exit 1
 
-    mount -o loop,ro /home/vagrant/VBoxGuestAdditions_4.3.2.iso /mnt
+    mount -o loop,ro /home/vagrant/VBoxGuestAdditions_4.3.4.iso /mnt
     /mnt/VBoxLinuxAdditions.run --nox11
     umount /mnt
 fi