diff --git a/.gitignore b/.gitignore
index 3bfcaed..d139924 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,9 +3,9 @@ SOURCES/Python-3.6.8.tar.xz
 SOURCES/cbindgen-vendor.tar.xz
 SOURCES/gtk3-private-3.22.26-1.el6.src.rpm
 SOURCES/libffi-3.0.13-18.el7_3.src.rpm
-SOURCES/lightning-langpacks-68.10.0.tar.xz
+SOURCES/lightning-langpacks-68.11.0.tar.xz
 SOURCES/nodejs-8.11.4-1.3.fc27.src.rpm
 SOURCES/openssl-1.0.2k-19.6.bundle.el7_7.src.rpm
-SOURCES/thunderbird-68.10.0.source.tar.xz
-SOURCES/thunderbird-langpacks-68.10.0-20200708.tar.xz
+SOURCES/thunderbird-68.11.0.source.tar.xz
+SOURCES/thunderbird-langpacks-68.11.0-20200804.tar.xz
 SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 0137d4d..fa1d651 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -3,9 +3,9 @@ ee55acedef049268307633cbc9c7ff0610d1244f SOURCES/Python-3.6.8.tar.xz
 e86c38c48960b95353503b78e1de9ddca1ed34d7 SOURCES/cbindgen-vendor.tar.xz
 0de63f863b158454b9429234b52ed28a397ec45c SOURCES/gtk3-private-3.22.26-1.el6.src.rpm
 e188ab1a444697bc649e223c28389d82ca94c472 SOURCES/libffi-3.0.13-18.el7_3.src.rpm
-f01d771167cc9fc830a5f30c45a62e0d475e0eee SOURCES/lightning-langpacks-68.10.0.tar.xz
+8476c6e7c27eba1836581ad86fc504e4853f077b SOURCES/lightning-langpacks-68.11.0.tar.xz
 4f8d3bf2483d95261ff90742ecec82d6a899eca3 SOURCES/nodejs-8.11.4-1.3.fc27.src.rpm
 a379070abf5000cde61411c97af7e733b267a4d3 SOURCES/openssl-1.0.2k-19.6.bundle.el7_7.src.rpm
-a71d9bbd9d587e521b5a7b0ff4b4d13c79bdb4cf SOURCES/thunderbird-68.10.0.source.tar.xz
-af927b9b4b65c093f62a81b8c42ac8af29650c34 SOURCES/thunderbird-langpacks-68.10.0-20200708.tar.xz
+7b5764677819ca27af51b5e9b4be0d8180a8bfed SOURCES/thunderbird-68.11.0.source.tar.xz
+627fbe742a97fcfa7b4b08c8e9688b95a043bcba SOURCES/thunderbird-langpacks-68.11.0-20200804.tar.xz
 77fd30f7ebc12a629a31c1e252cec06af55a71fe SOURCES/yasm-1.2.0-3.el5.src.rpm
diff --git a/SOURCES/no-rust-lto.patch b/SOURCES/no-rust-lto.patch
index 7d8ae5d..227bb9c 100644
--- a/SOURCES/no-rust-lto.patch
+++ b/SOURCES/no-rust-lto.patch
@@ -1,12 +1,14 @@
-diff -up firefox-68.0/config/makefiles/rust.mk.old firefox-68.0/config/makefiles/rust.mk
---- firefox-68.0/config/makefiles/rust.mk.old	2019-06-05 10:33:34.290128660 +0200
-+++ firefox-68.0/config/makefiles/rust.mk	2019-06-05 10:33:59.835052814 +0200
-@@ -47,7 +47,7 @@ cargo_rustc_flags = $(CARGO_RUSTCFLAGS)
- ifndef DEVELOPER_OPTIONS
- ifndef MOZ_DEBUG_RUST
- # Enable link-time optimization for release builds.
+diff -up thunderbird-68.11.0/config/makefiles/rust.mk.no-rust-lto thunderbird-68.11.0/config/makefiles/rust.mk
+--- thunderbird-68.11.0/config/makefiles/rust.mk.no-rust-lto	2020-08-04 12:01:08.172071480 +0200
++++ thunderbird-68.11.0/config/makefiles/rust.mk	2020-08-04 12:26:25.927808414 +0200
+@@ -50,8 +50,8 @@ ifndef MOZ_DEBUG_RUST
+ # Pass -Clto for older versions of rust, and CARGO_PROFILE_RELEASE_LTO=true
+ # for newer ones that support it. Combining the latter with -Clto works, so
+ # set both everywhere.
 -cargo_rustc_flags += -C lto
+-export CARGO_PROFILE_RELEASE_LTO=true
 +#cargo_rustc_flags += -C lto
++#export CARGO_PROFILE_RELEASE_LTO=true
  endif
  endif
  
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 2a1a150..c104e7a 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -123,7 +123,7 @@
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        68.10.0
+Version:        68.11.0
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -139,7 +139,7 @@ ExclusiveArch:  i686 x86_64 ppc64 s390x
 # From ftp://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?ext_version}/source
 Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20200708.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20200804.tar.xz
 # Locales for lightning
 Source2:        lightning-langpacks-%{version}.tar.xz
 %endif
@@ -788,7 +788,7 @@ MOZ_OPT_FLAGS=$(echo "$MOZ_OPT_FLAGS" | %{__sed} -e 's/-g/-g1/')
 # (OOM when linking, rhbz#1238225)
 export MOZ_DEBUG_FLAGS=" "
 %endif
-%ifarch s390 %{arm} ppc aarch64 i686
+%ifarch s390 %{arm} ppc aarch64 i686 x86_64
 MOZ_LINK_FLAGS="-Wl,--no-keep-memory -Wl,--reduce-memory-overheads"
 %endif
 %ifarch %{arm}
@@ -827,7 +827,7 @@ MOZ_SMP_FLAGS=-j1
      RPM_BUILD_NCPUS="`/usr/bin/getconf _NPROCESSORS_ONLN`"
 [ "$RPM_BUILD_NCPUS" -ge 2 ] && MOZ_SMP_FLAGS=-j2
 [ "$RPM_BUILD_NCPUS" -ge 4 ] && MOZ_SMP_FLAGS=-j4
-[ "$RPM_BUILD_NCPUS" -ge 8 ] && MOZ_SMP_FLAGS=-j8
+[ "$RPM_BUILD_NCPUS" -ge 8 ] && MOZ_SMP_FLAGS=-j4
 %endif
 %endif
 
@@ -1109,6 +1109,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Aug 04 2020 Jan Horak <jhorak@redhat.com> - 68.11.0-1
+- Update to 68.11.0 build1
+
 * Wed Jul 08 2020 Jan Horak <jhorak@redhat.com> - 68.10.0-1
 - Update to 68.10.0 build1