diff --git a/.firefox.metadata b/.firefox.metadata
index 166a39d..8f267ce 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,7 +1,7 @@
 18a8f30a0356c751b8d0ea6f76e764cab13ee046 SOURCES/Python-2.7.13.tar.xz
 a9effcc06cf80eaa22f12c1f7d6aa4266a1c4966 SOURCES/cbindgen-vendor-0.14.3.tar.xz
-547bac33732774993bd8223de9acfeedcc69a10d SOURCES/firefox-78.10.0esr.source.tar.xz
-839e2486057cef4926ea4c8de3b82bed045adca5 SOURCES/firefox-langpacks-78.10.0esr-20210420.tar.xz
+8d5b4f10557cf7aec25edb2d3dd8b9282224ff53 SOURCES/firefox-78.11.0esr.source.tar.xz
+91a31ce33cb1fb2fdea96cbc14ddc82950bb388d SOURCES/firefox-langpacks-78.11.0esr-20210531.tar.xz
 0de63f863b158454b9429234b52ed28a397ec45c SOURCES/gtk3-private-3.22.26-1.el6.src.rpm
 e188ab1a444697bc649e223c28389d82ca94c472 SOURCES/libffi-3.0.13-18.el7_3.src.rpm
 5715f987bc0024ce5d72993cb101b8268350033b SOURCES/nodejs-10.21.0-5.fc32.src.rpm
diff --git a/.gitignore b/.gitignore
index ff5d302..cc1b41e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 SOURCES/Python-2.7.13.tar.xz
 SOURCES/cbindgen-vendor-0.14.3.tar.xz
-SOURCES/firefox-78.10.0esr.source.tar.xz
-SOURCES/firefox-langpacks-78.10.0esr-20210420.tar.xz
+SOURCES/firefox-78.11.0esr.source.tar.xz
+SOURCES/firefox-langpacks-78.11.0esr-20210531.tar.xz
 SOURCES/gtk3-private-3.22.26-1.el6.src.rpm
 SOURCES/libffi-3.0.13-18.el7_3.src.rpm
 SOURCES/nodejs-10.21.0-5.fc32.src.rpm
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index 3e55d96..1286116 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -11,6 +11,9 @@
 %global rhel_minor_version 4
 %endif
 %if "%{?dist}" == ".el8"
+%global rhel_minor_version 5
+%endif
+%if "%{?dist}" == ".el8_4"
 %global rhel_minor_version 4
 %endif
 %if "%{?dist}" == ".el8_3"
@@ -215,8 +218,8 @@
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        78.10.0
-Release:        1%{?dist}
+Version:        78.11.0
+Release:        3%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 %if 0%{?rhel} == 7
@@ -228,7 +231,7 @@ ExclusiveArch:  i686 x86_64 ppc64 s390x
 
 Source0:        https://hg.mozilla.org/releases/mozilla-release/archive/firefox-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20210420.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20210531.tar.xz
 %endif
 Source2:        cbindgen-vendor-0.14.3.tar.xz
 Source10:       firefox-mozconfig
@@ -1690,6 +1693,15 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Mon May 31 2021 Eike Rathke <erack@redhat.com> - 78.11.0-3
+- Update to 78.11.0 build2 (release)
+
+* Thu May 27 2021 Eike Rathke <erack@redhat.com> - 78.11.0-2
+- Fix rhel_minor_version for dist .el8_4 and .el8
+
+* Tue May 25 2021 Eike Rathke <erack@redhat.com> - 78.11.0-1
+- Update to 78.11.0 build1
+
 * Tue Apr 20 2021 Eike Rathke <erack@redhat.com> - 78.10.0-1
 - Update to 78.10.0