diff --git a/.gitignore b/.gitignore
index 8bb3050..1501287 100644
--- a/.gitignore
+++ b/.gitignore
@@ -313,3 +313,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-langpacks-78.4.0-20201022.tar.xz
 /thunderbird-78.4.3.source.tar.xz
 /thunderbird-langpacks-78.4.3-20201112.tar.xz
+/thunderbird-78.5.0.source.tar.xz
+/thunderbird-langpacks-78.5.0-20201125.tar.xz
diff --git a/sources b/sources
index d64b31f..9a0d4a0 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-78.4.3.source.tar.xz) = 0c441f5a55301f4d012caff111d6a882205048e4adf301ff3cfa553e1665e47a1fd835a926bd97c61e543a79465c5ada73ae699fc56425dec3dbc40f17b75620
-SHA512 (thunderbird-langpacks-78.4.3-20201112.tar.xz) = b89d1832f9aa436f8205583951aec59cec4fa1b0ccdae521904126018a1bd9c672eea70f29dcd0d0f6676b3954c279a78566ef4ffb09bd8dc6a8a9906248300b
+SHA512 (thunderbird-78.5.0.source.tar.xz) = dae49dc0910dd017250643c920c79f03d3ef14bcbafde7fcdb3aaeba2b27a42ef6f88c8de8b961f8bb1c3d1a153bc8988ab43a39eb051d81839cf3b9e8373118
+SHA512 (thunderbird-langpacks-78.5.0-20201125.tar.xz) = c18d0f0f541535197bbb42a1600a847366109dd32aa5626d083c77f0bc4572496a153d266ac8272333669cbbc3950f791404d457a29c0ccff9700c325df6bfe8
 SHA512 (cbindgen-vendor-0.14.3.tar.xz) = 33c8d28547674121f690eea0d3ebac33926a39caacac787bf8ed8b346478822e74da5a4a1f57ab4df4105fa8376739a2ece888845a85bc5712aaed20e4a508bc
diff --git a/thunderbird.spec b/thunderbird.spec
index a2e69d4..28c88ad 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -80,13 +80,13 @@ ExcludeArch: armv7hl
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        78.4.3
+Version:        78.5.0
 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}-20201112.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20201125.tar.xz
 %endif
 Source3:        get-calendar-langpacks.sh
 Source4:        cbindgen-vendor-0.14.3.tar.xz
@@ -736,6 +736,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Wed Nov 25 2020 Jan Horak <jhorak@redhat.com> - 78.5.0-1
+- Update to 78.5.0 build3
+
 * Thu Nov 12 2020 Jan Horak <jhorak@redhat.com> - 78.4.3-1
 - Update to 78.4.3 build1