diff --git a/srcpkgs/thunderbird/template b/srcpkgs/thunderbird/template
index a65381bbe89..78531a03370 100644
--- a/srcpkgs/thunderbird/template
+++ b/srcpkgs/thunderbird/template
@@ -3,7 +3,7 @@
 # THIS PKG MUST BE SYNCHRONIZED WITH "srcpkgs/thunderbird-i18n".
 #
 pkgname=thunderbird
-version=78.8.1
+version=78.9.0
 revision=1
 build_helper="rust"
 short_desc="Standalone Mail/News reader"
@@ -11,7 +11,7 @@ maintainer="Érico Nogueira <ericonr@disroot.org>"
 license="MPL-2.0, GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.thunderbird.net/"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
-checksum=1a0b9cc1c314fdfdf7aa10246b8c5062385b62df3c9cef2358d1aa657e8a6f0f
+checksum=8015a7f78b1644578f398b5ab670637c70890ab2bade35ba321d47d099ed3ac0
 
 lib32disabled=yes