diff --git a/.firefox.metadata b/.firefox.metadata
index 76333df..4beb894 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,6 +1,6 @@
511960dd78451a06c9df76509635aeec05b2051a SOURCES/Python-2.7.8.tgz
467bdb846d67c01aed9e521fe0ef280065a50c3c SOURCES/devtoolset-2-binutils-2.23.52.0.1-10.el5.src.rpm
-ff1af08655356a4d94915ddca61188c14a249a74 SOURCES/firefox-52.1.0esr.source.tar.xz
-3670de55da29041f426c741c3a4baa6afa4b5cdb SOURCES/firefox-langpacks-52.1.0esr-20170419.tar.xz
+894159e3100a3a90f893ac85a6b650c6b813c4c6 SOURCES/firefox-52.2.0esr.source.tar.xz
+253c930cc2c81174c9e7304ebf8b0db3f2063dec SOURCES/firefox-langpacks-52.2.0esr-20170608.tar.xz
e5ba84786af5d0e0e23b1a9112c76821ef23306c SOURCES/gcc48-4.8.2-16.el5.src.rpm
77fd30f7ebc12a629a31c1e252cec06af55a71fe SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/.gitignore b/.gitignore
index a2a9cce..5b01c20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
SOURCES/Python-2.7.8.tgz
SOURCES/devtoolset-2-binutils-2.23.52.0.1-10.el5.src.rpm
-SOURCES/firefox-52.1.0esr.source.tar.xz
-SOURCES/firefox-langpacks-52.1.0esr-20170419.tar.xz
+SOURCES/firefox-52.2.0esr.source.tar.xz
+SOURCES/firefox-langpacks-52.2.0esr-20170608.tar.xz
SOURCES/gcc48-4.8.2-16.el5.src.rpm
SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/SOURCES/build-nss-version.patch b/SOURCES/build-nss-version.patch
index 36c2632..30b670b 100644
--- a/SOURCES/build-nss-version.patch
+++ b/SOURCES/build-nss-version.patch
@@ -5,8 +5,8 @@ diff -up firefox-52.0esr/old-configure.in.nss-ver firefox-52.0esr/old-configure.
_USE_SYSTEM_NSS=1 )
if test -n "$_USE_SYSTEM_NSS"; then
-- AM_PATH_NSS(3.28.4, [MOZ_SYSTEM_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
-+ AM_PATH_NSS(3.28.1, [MOZ_SYSTEM_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
+- AM_PATH_NSS(3.28.5, [MOZ_SYSTEM_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
++ AM_PATH_NSS(3.28.4, [MOZ_SYSTEM_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
fi
if test -n "$MOZ_SYSTEM_NSS"; then
diff --git a/SOURCES/firefox-centos-default-prefs.js b/SOURCES/firefox-centos-default-prefs.js
deleted file mode 100644
index fd3108f..0000000
--- a/SOURCES/firefox-centos-default-prefs.js
+++ /dev/null
@@ -1,27 +0,0 @@
-pref("app.update.auto", false);
-pref("app.update.enabled", false);
-pref("app.update.autoInstallEnabled", false);
-pref("browser.backspace_action", 2);
-pref("browser.display.use_system_colors", true);
-pref("browser.download.folderList", 1);
-pref("browser.link.open_external", 3);
-pref("browser.shell.checkDefaultBrowser", false);
-pref("general.smoothScroll", true);
-pref("general.useragent.vendor", "CentOS");
-pref("general.useragent.vendorSub", "FIREFOX_RPM_VR");
-pref("intl.locale.matchOS", true);
-pref("storage.nfs_filesystem", false);
-pref("dom.ipc.plugins.enabled.nswrapper*", false);
-pref("network.manage-offline-status", true);
-pref("toolkit.networkmanager.disable", false);
-pref("browser.startup.homepage", "data:text/plain,browser.startup.homepage=file:///usr/share/doc/HTML/index.html");
-pref("toolkit.storage.synchronous", 0);
-pref("startup.homepage_override_url", "http://www.centos.org");
-pref("startup.homepage_welcome_url", "http://www.centos.org");
-pref("extensions.shownSelectionUI", true);
-/* Workaround for rhbz#1110291 */
-pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
-/* Workaround for mozbz#1063315 */
-pref("security.use_mozillapkix_verification", false);
-pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
-pref("browser.tabs.remote.autostart", false);
diff --git a/SOURCES/firefox-redhat-default-prefs.js b/SOURCES/firefox-redhat-default-prefs.js
new file mode 100644
index 0000000..02113f4
--- /dev/null
+++ b/SOURCES/firefox-redhat-default-prefs.js
@@ -0,0 +1,27 @@
+pref("app.update.auto", false);
+pref("app.update.enabled", false);
+pref("app.update.autoInstallEnabled", false);
+pref("browser.backspace_action", 2);
+pref("browser.display.use_system_colors", true);
+pref("browser.download.folderList", 1);
+pref("browser.link.open_external", 3);
+pref("browser.shell.checkDefaultBrowser", false);
+pref("general.smoothScroll", true);
+pref("general.useragent.vendor", "Red Hat");
+pref("general.useragent.vendorSub", "FIREFOX_RPM_VR");
+pref("intl.locale.matchOS", true);
+pref("storage.nfs_filesystem", false);
+pref("dom.ipc.plugins.enabled.nswrapper*", false);
+pref("network.manage-offline-status", true);
+pref("toolkit.networkmanager.disable", false);
+pref("browser.startup.homepage", "data:text/plain,browser.startup.homepage=file:///usr/share/doc/HTML/index.html");
+pref("toolkit.storage.synchronous", 0);
+pref("startup.homepage_override_url", "http://www.redhat.com");
+pref("startup.homepage_welcome_url", "http://www.redhat.com");
+pref("extensions.shownSelectionUI", true);
+/* Workaround for rhbz#1110291 */
+pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
+/* Workaround for mozbz#1063315 */
+pref("security.use_mozillapkix_verification", false);
+pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
+pref("browser.tabs.remote.autostart", false);
diff --git a/SOURCES/rhbz-1451055.patch b/SOURCES/rhbz-1451055.patch
new file mode 100644
index 0000000..b07036f
--- /dev/null
+++ b/SOURCES/rhbz-1451055.patch
@@ -0,0 +1,12 @@
+diff -up firefox-52.1.1esr/layout/style/nsCSSPseudoElements.h.old firefox-52.1.1esr/layout/style/nsCSSPseudoElements.h
+--- firefox-52.1.1esr/layout/style/nsCSSPseudoElements.h.old 2017-05-17 11:40:23.609432532 +0200
++++ firefox-52.1.1esr/layout/style/nsCSSPseudoElements.h 2017-05-17 12:11:01.635624205 +0200
+@@ -109,7 +109,7 @@ private:
+
+ // Work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64037 ,
+ // which is a general gcc bug that we seem to have hit only on Android/x86.
+-#if defined(ANDROID) && defined(__i386__) && defined(__GNUC__) && \
++#if defined(__i386__) && defined(__GNUC__) && \
+ !defined(__clang__)
+ #if (MOZ_GCC_VERSION_AT_LEAST(4,8,0) && MOZ_GCC_VERSION_AT_MOST(4,8,4)) || \
+ (MOZ_GCC_VERSION_AT_LEAST(4,9,0) && MOZ_GCC_VERSION_AT_MOST(4,9,2))
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index eca9aaf..c1aa24b 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -1,6 +1,6 @@
%define system_nss 1
%global nspr_version 4.13.1
-%global nss_version 3.28.2
+%global nss_version 3.28.4
%define system_sqlite 0
%define sqlite_version 3.8.4.2
%define system_ffi 1
@@ -76,8 +76,8 @@
Summary: Mozilla Firefox Web browser
Name: firefox
-Version: 52.1.0
-Release: 2%{?dist}
+Version: 52.2.0
+Release: 1%{?dist}
URL: http://www.mozilla.org/projects/firefox/
License: MPLv1.1 or GPLv2+ or LGPLv2+
Group: Applications/Internet
@@ -88,10 +88,10 @@ Group: Applications/Internet
# From ftp://archive.mozilla.org/pub/firefox/releases/%{version}%{?ext_version}/source
Source0: firefox-%{version}%{?ext_version}.source.tar.xz
%if %{build_langpacks}
-Source1: firefox-langpacks-%{version}%{?ext_version}-20170419.tar.xz
+Source1: firefox-langpacks-%{version}%{?ext_version}-20170608.tar.xz
%endif
Source10: firefox-mozconfig
-Source12: firefox-centos-default-prefs.js
+Source12: firefox-redhat-default-prefs.js
Source20: firefox.desktop
Source600: firefox.sh.in.rhel6
Source700: firefox.sh.in.rhel7
@@ -134,6 +134,7 @@ Patch202: mozilla-1152515.patch
# RHEL7 patches
# RHEL6 patches
+Patch300: rhbz-1451055.patch
# ---------------------------------------------------
BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
@@ -385,6 +386,7 @@ cd %{tarballdir}
%endif
%if %{?rhel} == 6
+%patch300 -p1 -b .rhbz-1451055
%endif
# Patch for big endian platforms only
@@ -875,8 +877,14 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
#---------------------------------------------------------------------
%changelog
-* Thu Apr 20 2017 Johnny Hughes <johnny@centos.org> - 52.1.0-2
-- Manual Debranding after Auto Debranding failed.
+* Thu Jun 8 2017 Jan Horak <jhorak@redhat.com> - 52.2.0-1
+- Update to 52.2.0 ESR
+
+* Wed May 17 2017 Martin Stransky <stransky@redhat.com> - 52.1.1-2
+- Added fix for rhbz#1451055
+
+* Fri May 5 2017 Jan Horak <jhorak@redhat.com> - 52.1.1-1
+- Update to 52.1.1 ESR
* Wed Apr 19 2017 Martin Stransky <stransky@redhat.com> - 52.1.0-2
- Update to 52.1.0 ESR (Build3)