diff --git a/Thunderbird-Setup-12.0.exe.sha1sum b/Thunderbird-Setup-12.0.exe.sha1sum
deleted file mode 100644
index 14b1c5c..0000000
--- a/Thunderbird-Setup-12.0.exe.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-f2ac44b84fecb99f45e437d965666b15456f969f  /home/mario/.opsi-dist-cache/thunderbird-12.0/X86/Thunderbird-Setup-12.0.exe
diff --git a/Thunderbird-Setup-13.0.exe.sha1sum b/Thunderbird-Setup-13.0.exe.sha1sum
new file mode 100644
index 0000000..5cd8b5e
--- /dev/null
+++ b/Thunderbird-Setup-13.0.exe.sha1sum
@@ -0,0 +1 @@
+e29fe2ec8a0ec8e6a0bdacba95730acd4102f711  /home/mario/.opsi-dist-cache/mozilla.thunderbird-13.0/X86/Thunderbird-Setup-13.0.exe
diff --git a/builder-product.cfg b/builder-product.cfg
index e10e817..78b9532 100644
--- a/builder-product.cfg
+++ b/builder-product.cfg
@@ -3,7 +3,7 @@
 ############################
 VENDOR="mozilla.org"
 PN="mozilla.thunderbird"
-VERSION="12.0"
+VERSION="13.0"
 RELEASE="1"
 PRIORITY="0"
 ADVICE=""