diff --git a/Firefox-Setup-10.0.5esr.exe.sha1sum b/Firefox-Setup-10.0.5esr.exe.sha1sum
new file mode 100644
index 0000000..75d9b78
--- /dev/null
+++ b/Firefox-Setup-10.0.5esr.exe.sha1sum
@@ -0,0 +1 @@
+def653b30310a23e4571f8e25c79e5e43c56a75a  /home/mario/.opsi-dist-cache/mozilla.firefox-10.0.5/X86/Firefox-Setup-10.0.5esr.exe
diff --git a/Firefox-Setup-13.0.exe.sha1sum b/Firefox-Setup-13.0.exe.sha1sum
deleted file mode 100644
index 3a0cddb..0000000
--- a/Firefox-Setup-13.0.exe.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-126895277432cd3e2f58d58ecfde68f0fac99d0e  /home/mario/.opsi-dist-cache/mozilla.firefox-13.0/X86/Firefox-Setup-13.0.exe
diff --git a/builder-product.cfg b/builder-product.cfg
index 865af22..22965d1 100644
--- a/builder-product.cfg
+++ b/builder-product.cfg
@@ -3,7 +3,7 @@
 ############################
 VENDOR="mozilla.org"
 PN="mozilla.firefox"
-VERSION="13.0"
+VERSION="10.0.5"
 RELEASE="1"
 PRIORITY="0"
 ADVICE=""
@@ -16,8 +16,8 @@ TYPE="public"
 DL_FILE[0]="firefox-512.png"
 DL_SOURCE[0]="http://people.mozilla.com/~faaborg/files/shiretoko/firefoxIcon/firefox-512.png"
 
-DL_FILE[1]="Firefox-Setup-${VERSION}.exe"
-DL_SOURCE[1]="ftp://ftp.mozilla.org/pub/firefox/releases/${VERSION}/win32-EUballot/de/Firefox%20Setup%20${VERSION}.exe"
+DL_FILE[1]="Firefox-Setup-${VERSION}esr.exe"
+DL_SOURCE[1]="ftp://ftp.mozilla.org/pub/firefox/releases/${VERSION}esr/win32/de/Firefox%20Setup%20${VERSION}esr.exe"
 DL_ARCH[1]="X86"
 DL_WINST_NAME[1]=InstallExe