diff --git a/.gitignore b/.gitignore
index 5d57271..2323e4a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -323,3 +323,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-langpacks-78.7.0-20210127.tar.xz
 /thunderbird-78.8.0.source.tar.xz
 /thunderbird-langpacks-78.8.0-20210218.tar.xz
+/thunderbird-78.8.1.source.tar.xz
+/thunderbird-langpacks-78.8.1-20210315.tar.xz
diff --git a/sources b/sources
index 8810500..e15a3a6 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-78.8.0.source.tar.xz) = c7d31ab6b2863c14fe7e11df4e805ca0ecd1f6e6b5e7d5ec73939500c5125faeec213b4df25f23a5f152345027926356b7df47efcfa60ff0f9e5b825119f0e51
-SHA512 (thunderbird-langpacks-78.8.0-20210218.tar.xz) = cd90d938e918ee82dd7e20b9559a079188001f369d09bb215f47666715ffbcb0f14b5c3a87eb5fa399f6fb711909d4b71f868cffab4bbbf5c7c7587b1e9d0f1a
+SHA512 (thunderbird-78.8.1.source.tar.xz) = 5158f7663acf3d00f45b457d1c172dcc95978d6782775faa4ec3995d3a799dfce668302e2c4b963a5607add831314fac76d516e45863a1971fbd4a6b0c4bdb10
+SHA512 (thunderbird-langpacks-78.8.1-20210315.tar.xz) = 33bae9f41e763841695e2bcb6e8b6327670f10566f01ad82a32dd44ff7d331ed36b953d7a96173cf133698cfcce191e60e8de484a6831678f6dbaf24483b68c7
 SHA512 (cbindgen-vendor-0.14.3.tar.xz) = 33c8d28547674121f690eea0d3ebac33926a39caacac787bf8ed8b346478822e74da5a4a1f57ab4df4105fa8376739a2ece888845a85bc5712aaed20e4a508bc
diff --git a/thunderbird.spec b/thunderbird.spec
index 8b5c696..3b65d58 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -89,13 +89,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        78.8.0
+Version:        78.8.1
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        ftp://ftp.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20210218.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20210315.tar.xz
 %endif
 Source3:        get-calendar-langpacks.sh
 Source4:        cbindgen-vendor-0.14.3.tar.xz
@@ -751,6 +751,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Mon Mar 15 2021 Jan Horak <jhorak@redhat.com> - 78.8.1-1
+- Update to 78.8.1 build1
+
 * Thu Feb 18 2021 Jan Horak <jhorak@redhat.com> - 78.8.0-1
 - Update to 78.8.0 build1