diff --git a/tools/appliance/build.sh b/tools/appliance/build.sh
index f150a83cac8..6d2bd8fec2c 100644
--- a/tools/appliance/build.sh
+++ b/tools/appliance/build.sh
@@ -78,7 +78,7 @@ which faketime >/dev/null 2>&1 && which vhd-util >/dev/null 2>&1
 if [ $? == 0 ]; then
   set -e
   vboxmanage internalcommands converttoraw -format vdi "$hdd_path" img.raw
-  faketime '2010-01-01' vhd-util convert -s 0 -t 1 -i img.raw -o stagefixed.vhd
+  vhd-util convert -s 0 -t 1 -i img.raw -o stagefixed.vhd
   faketime '2010-01-01' vhd-util convert -s 1 -t 2 -i stagefixed.vhd -o $appliance-$branch-xen.vhd
   rm *.bak
   bzip2 $appliance-$branch-xen.vhd
diff --git a/tools/appliance/definitions/systemvm64template/definition.rb b/tools/appliance/definitions/systemvm64template/definition.rb
index e0b6b00016b..bea2fdebbeb 100644
--- a/tools/appliance/definitions/systemvm64template/definition.rb
+++ b/tools/appliance/definitions/systemvm64template/definition.rb
@@ -3,9 +3,9 @@ Veewee::Definition.declare({
   :memory_size=> '256',
   :disk_size => '2500', :disk_format => 'VDI', :hostiocache => 'off',
   :os_type_id => 'Debian_64',
-  :iso_file => "debian-7.3.0-amd64-netinst.iso",
-  :iso_src => "http://ftp.acc.umu.se/mirror/cdimage/release/7.3.0/amd64/iso-cd/debian-7.3.0-amd64-netinst.iso",
-  :iso_md5 => "72473e8a5e65b61acc7efde90d9f71d1",
+  :iso_file => "debian-7.4.0-amd64-netinst.iso",
+  :iso_src => "http://ftp.acc.umu.se/mirror/cdimage/release/7.4.0/amd64/iso-cd/debian-7.4.0-amd64-netinst.iso",
+  :iso_md5 => "e7e9433973f082a297793c3c5010b2c5",
   :iso_download_timeout => "1000",
   :boot_wait => "10", :boot_cmd_sequence => [
      '<Esc>',
diff --git a/tools/appliance/definitions/systemvmtemplate/definition.rb b/tools/appliance/definitions/systemvmtemplate/definition.rb
index 6f6a856cb2e..c8b24d62682 100644
--- a/tools/appliance/definitions/systemvmtemplate/definition.rb
+++ b/tools/appliance/definitions/systemvmtemplate/definition.rb
@@ -3,9 +3,9 @@ Veewee::Definition.declare({
   :memory_size=> '256',
   :disk_size => '2500', :disk_format => 'VDI', :hostiocache => 'off',
   :os_type_id => 'Debian',
-  :iso_file => "debian-7.3.0-i386-netinst.iso",
-  :iso_src => "http://ftp.acc.umu.se/mirror/cdimage/release/7.3.0/i386/iso-cd/debian-7.3.0-i386-netinst.iso",
-  :iso_md5 => "04c58f30744e64a0459caf7d7cace479",
+  :iso_file => "debian-7.4.0-i386-netinst.iso",
+  :iso_src => "http://ftp.acc.umu.se/mirror/cdimage/release/7.4.0/i386/iso-cd/debian-7.4.0-i386-netinst.iso",
+  :iso_md5 => "7339b668a81b417ac023d73739dc6a03",
   :iso_download_timeout => "1000",
   :boot_wait => "10", :boot_cmd_sequence => [
      '<Esc>',