diff --git a/thunderbird/.signature b/thunderbird/.signature
index 189c8d76f..6ee7a6a07 100644
--- a/thunderbird/.signature
+++ b/thunderbird/.signature
@@ -1,6 +1,6 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF30GbNOpP1w+BGaMJojtdSJIZJjgW/qyQzszthSP/Hr3qNv7tdLBmHU5UM7uFGV4IdOay1KPSb8dX9r78J8c0vwA=
-SHA256 (Pkgfile) = cbac17686303595fc34206193fb3002b11f36bee7ff9e715defe34a8029adeee
+RWSagIOpLGJF38kzl+vWiKyekF1zb+6ihotg+frXvHN5vtFlr2CKhMfgeeJfFRUQtzjlGIjqlegW6Fznx8kk7MgqFhJC6y5ugwY=
+SHA256 (Pkgfile) = 4f1c988788344074a123501172519318cdcb49e976472de7f3bf1424a7e68c72
 SHA256 (.footprint) = 923d578f9d9e0dbd81a35f85c1d0228c2c29722327104100bdd991a056632803
-SHA256 (thunderbird-91.4.0.source.tar.xz) = 3cb5280b32e66e178f37fd1b57cc4390f2c986ea4162972cc277c45a253de1a6
+SHA256 (thunderbird-91.4.1.source.tar.xz) = f1079ed2cbd335a417b18929c5018d8ade9fb1d0c8cba9fdb2b6d672f14074f1
 SHA256 (thunderbird.desktop) = c6bc6a66f16951c4f7560d019dad48968169aef6587cef4e98380a300078299a
diff --git a/thunderbird/Pkgfile b/thunderbird/Pkgfile
index 226a4c59a..ca4914f03 100644
--- a/thunderbird/Pkgfile
+++ b/thunderbird/Pkgfile
@@ -5,7 +5,7 @@
 # Optional: sccache
 
 name=thunderbird
-version=91.4.0
+version=91.4.1
 release=1
 source=(https://archive.mozilla.org/pub/thunderbird/releases/$version/source/$name-$version.source.tar.xz
 	$name.desktop)