diff --git a/build.sh b/build.sh
index 4a0ff63dc0fa6a0e54837b6abe8347ce3058861e..bd9e07cb7b77ede5f8d95b61cc4eba5e30d42ad1 100755
--- a/build.sh
+++ b/build.sh
@@ -24,8 +24,8 @@ set -o xtrace
 
 # Configurations
 BOX="debian-jessie"
-ISO_URL="http://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-8.1.0-amd64-netinst.iso"
-ISO_MD5="1a311f9afb68d6365211b13b4342c40b"
+ISO_URL="http://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-8.4.0-amd64-netinst.iso"
+ISO_MD5="8d52d1b7789cd5a464aae719f05299ec"
 
 # location, location, location
 FOLDER_BASE=$(pwd)