diff --git a/.gitignore b/.gitignore
index bd477e7..76652ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -408,3 +408,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-langpacks-102.13.0-20230707.tar.xz
 /thunderbird-langpacks-115.0.1-20230720.tar.xz
 /thunderbird-115.0.1.source.tar.xz
+/thunderbird-langpacks-115.1.1-20230815.tar.xz
+/thunderbird-115.1.1.source.tar.xz
diff --git a/sources b/sources
index 320e7a4..b1583fd 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-langpacks-115.0.1-20230720.tar.xz) = 33499972fe176c89772a22101e3d12f71a56471866e3aef6477d0be665e41b82d32e5a454d7ea979558de295902484eb3fb73f07dbd85ae92b44d00a80cc772d
-SHA512 (thunderbird-115.0.1.source.tar.xz) = 9a53024790a537fb012d66e683248e82a9b2c2a4db6fc90d1e1d3c785c28e9d65f1d110c33dcbdad63f8f6ecb3e5c6a526c0028c3970125022ebe384506d4ba3
+SHA512 (thunderbird-langpacks-115.1.1-20230815.tar.xz) = 95acb1771d21dbd29544f9bde7452cc1ebc65c410438cfc16efcf361e9ba184e54ab2839741e4f41ddc3ab3713a4ca1dde1408c4278ee0fde14e81766d40d14f
+SHA512 (thunderbird-115.1.1.source.tar.xz) = 26f69dded43bd24ffce9acb0de204bef8c10c8df3cb82b33594d035e41179cb7450cb7c10470bfc92a933c1d801fb968049ea8a17d838d16de9973f5dddff9fc
 SHA512 (cbindgen-vendor.tar.xz) = 161811f4adfc74e5d92871c78139704d32e1e1ad6b615c85353de300d9647a68f1ca8b1c953f7cc5539d861e9e8d8e42892cae757a3eafea78804e19bc323c16
diff --git a/thunderbird.spec b/thunderbird.spec
index 02650cd..2518d4a 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -76,13 +76,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        115.0.1
+Version:        115.1.1
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPL-2.0 OR GPL-2.0-or-later OR LGPL-2.0-or-later
 Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20230720.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20230815.tar.xz
 %endif
 Source3:        get-calendar-langpacks.sh
 Source4:        cbindgen-vendor.tar.xz
@@ -713,6 +713,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Aug 15 2023 Jan Horak <jhorak@redhat.com> - 115.1.1-1
+- Update to 115.1.1
+
 * Mon Jul 24 2023 Jan Horak <jhorak@redhat.com> - 115.0.1-1
 - Update to 115.0.1