diff --git a/Thunderbird-Setup-5.0.exe.sha1sum b/Thunderbird-Setup-5.0.exe.sha1sum
new file mode 100644
index 0000000..cb16ca2
--- /dev/null
+++ b/Thunderbird-Setup-5.0.exe.sha1sum
@@ -0,0 +1 @@
+d097c4157b39c250f1f2ac67e51ea6aac4e35f62  /usr/portage/distfiles/Thunderbird-Setup-5.0.exe
diff --git a/ThunderbirdSetup3.1.11.exe.sha1sum b/ThunderbirdSetup3.1.11.exe.sha1sum
deleted file mode 100644
index 2e2ce74..0000000
--- a/ThunderbirdSetup3.1.11.exe.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-77b9e76a5dd5c7cfa20dbe805298e0b40092fc3a  /usr/portage/distfiles/ThunderbirdSetup3.1.11.exe
diff --git a/build.sh b/build.sh
index aa26a65..b0d78bc 100644
--- a/build.sh
+++ b/build.sh
@@ -1,17 +1,17 @@
 #!/bin/sh
 PN="thunderbird"
-VERSION="3.1.11"
+VERSION="5.0"
 RELEASE="1"
 PRIORITY="0"
 ADVICE=""
 TYPE="public"
 # all downloads should not have any traling parameters like ?downlaodid=1234 .....(should rewrite in python)
 ICON="http://www.apfelnews.eu/wp-content/uploads/2008/12/thunderbird.jpeg"
-X86="http://3347-mozilla.voxcdn.com/pub/mozilla.org/thunderbird/releases/3.1.11/win32/de/Thunderbird%20Setup%203.1.11.exe"
+X86="http://mozilla.ftp.halifax.rwth-aachen.de/mozilla/thunderbird/releases/5.0/win32/de/Thunderbird%20Setup%205.0.exe"
 #AMD64="http://downloads.sourceforge.net/sevenzip/7z920-x64.msi"
 ICONFILE=${ICON##*/}
 X86FILEDASH=${X86##*/}
-X86FILE="ThunderbirdSetup3.1.11.exe"
+X86FILE="Thunderbird-Setup-5.0.exe"
 #AMD64FILE=${AMD64##*/}
 
 	if [ -e /var/tmp/opsi/upload/$TYPE/${PN}_${VERSION}-${RELEASE}.opsi ]