diff --git a/.gitignore b/.gitignore
index b0d1701..bdb1a9b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -259,4 +259,12 @@
 /firefox-78.6.1esr.source.tar.xz
 /firefox-langpacks-78.6.1esr-20210106.tar.xz
 /firefox-78.8.0esr.source.tar.xz
+/firefox-langpacks-78.8.0esr-20210217.tar.xz
 /firefox-langpacks-78.8.0esr-20210222.tar.xz
+/firefox-78.9.0esr.source.tar.xz
+/firefox-langpacks-78.9.0esr-20210317.tar.xz
+/firefox-langpacks-78.10.0esr-20210420.tar.xz
+/firefox-78.10.0esr.source.tar.xz
+/firefox-langpacks-78.11.0esr-20210525.tar.xz
+/firefox-78.11.0esr.source.tar.xz
+/firefox-langpacks-78.11.0esr-20210531.tar.xz
diff --git a/firefox.spec b/firefox.spec
index 2486c8f..926dbee 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -200,8 +200,8 @@
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        78.8.0
-Release:        7%{?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
@@ -210,7 +210,7 @@ ExcludeArch:    s390 ppc
 
 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}-20210222.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20210531.tar.xz
 %endif
 Source2:        cbindgen-vendor-0.14.3.tar.xz
 Source10:       firefox-mozconfig
@@ -1603,6 +1603,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Fri Jun 25 2021 Eike Rathke <erack@redhat.com> - 78.11.0-3
+- Update to 78.11.0 build2 (release)
+
 * Tue Jun 22 2021 Mohan Boddu <mboddu@redhat.com> - 78.8.0-7
 - Rebuilt for RHEL 9 BETA for openssl 3.0
   Related: rhbz#1971065
diff --git a/sources b/sources
index b2a42f8..febee17 100644
--- a/sources
+++ b/sources
@@ -1,5 +1,3 @@
-SHA512 (firefox-78.8.0esr.source.tar.xz) = 0160aa6c408c2af66d24b74cf98e1a07ab1604e7b93ffcde79201f9d68e41e896ef965f1904de52d5dd82ffedae33ac96e93b871727bf5dd5983c5af2f1f439f
-SHA512 (firefox-langpacks-78.8.0esr-20210222.tar.xz) = cc2d1a824a94dcb0b73cd91443a2b85a3e72ecd365a540d45625470fa2cf4f7a455f988cc85cffbfbc3395e74abbe354a549b6a39c04a8ac0153bc49bb47ef3b
 SHA512 (libffi-3.0.13-18.el7_3.src.rpm) = da8ff110c59468f1ef9c861d93afcfa2fcc37409390664859d57113c7e81e54ca0a1a8925c18bb92097bb9710c737361ca36a81bf50fc137b31c2611e4c8a4e4
 SHA512 (Python-2.7.13.tar.xz) = f37c9a28ce129d01e63c84d7db627a06402854578f62d17927334ea21ede318e04bbf66e890e3f47c85333e6b19f6e5581fb3f3e27efd24be27017d1b6529c4b
 SHA512 (yasm-1.2.0-3.el5.src.rpm) = bc8ea63ec9e8191fbbf914708b4c89c471ee7cf8ca2e940eedcc8aa0475feade67dd8993cdfbc8949c236b3b36e96fb0748ef8b62e772524340df925533b9bf7
@@ -10,3 +8,5 @@ SHA512 (nspr-4.25.0-1.el8_0.src.rpm) = 7e39e4484b0d504e1b7f1253d7dc1f9f0d45705fb
 SHA512 (cbindgen-vendor-0.14.3.tar.xz) = 33c8d28547674121f690eea0d3ebac33926a39caacac787bf8ed8b346478822e74da5a4a1f57ab4df4105fa8376739a2ece888845a85bc5712aaed20e4a508bc
 SHA512 (nss-3.53.1-3.fc32.src.rpm) = 368849487aa8f9d602c9e5d9d7c88ebd03318aece12470283ff31744ef9eed27ef1e32031378a5a673bb06a9ebbcf5542afa13f3ad465409449c218922189acb
 SHA512 (nodejs-10.21.0-5.fc32.src.rpm) = 4d0c212a2609dc10e242a96f63baa8babb91e8aa6696f66f627c562c1ba30cb3632ed01991c98f48b5942fc7fd89ee34b350f41de901339b49a2c19e979593a7
+SHA512 (firefox-langpacks-78.11.0esr-20210531.tar.xz) = 555cbbf7c59e05a731c3e10ad22cb41d5f8e25fbae1b64146c74bb26a675c137bf2c6ac7578a693fecec019df29f8adc5630971a57909e0ed8a189ae4a214712
+SHA512 (firefox-78.11.0esr.source.tar.xz) = d02fc2eda587155b1c54ca12a6c5cde220a29f41f154f1c9b71ae8f966d8cc9439201a5b241e03fc0795b74e2479f7aa5d6b69f70b7639432e5382f321f7a6f4