diff --git a/srcpkgs/thunderbird/template b/srcpkgs/thunderbird/template
index 18d0f631de..a3744dedfa 100644
--- a/srcpkgs/thunderbird/template
+++ b/srcpkgs/thunderbird/template
@@ -1,13 +1,13 @@
 # Template build file for 'thunderbird'.
 pkgname=thunderbird
-version=45.5.0
-revision=2
+version=45.5.1
+revision=1
 short_desc="Standalone Mail/News reader"
 maintainer="Enno Boland <gottox@voidlinux.eu>"
 homepage="http://www.mozilla.org/thunderbird/"
 license="MPL-2.0, GPL-2, LGPL-2.1"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
-checksum=9571dee75d14cab3533e09599b2c183624f159cf8ae623f01ca6dc69eb846082
+checksum=15088086ab8643275f04775002aca02701e30b4d61f108d5380b6e6b7582a24c
 
 nopie=yes
 lib32disabled=yes