diff --git a/thunderbird.xml b/thunderbird.xml
index 0b7f436cb276e80ae3419217e21b58504c0b8bcc..8b611604b54317b13e43b541bbcb634825e126cf 100755
--- a/thunderbird.xml
+++ b/thunderbird.xml
@@ -7,7 +7,7 @@
 			 we add in chemistry-prefs.js. Thus, we tie that to a version, and please test carefully when
        upgrading -->
 
- <variable name="version" value="45.7.0" />
+ <variable name="version" value="45.7.1" />
  <variable name="prefsversion" value="45" />
  <check type="uninstall" condition="exists" path="Mozilla Thunderbird %version%.*" />