diff --git a/README.md b/README.md
index 81d47ab2a..b09c6bd73 100644
--- a/README.md
+++ b/README.md
@@ -17,13 +17,18 @@ The latest version is available for
 
 * [Windows 7 and above (64 bit)](https://telegram.org/dl/desktop/win64) ([portable](https://telegram.org/dl/desktop/win64_portable))
 * [Windows 7 and above (32 bit)](https://telegram.org/dl/desktop/win) ([portable](https://telegram.org/dl/desktop/win_portable))
-* [macOS 10.12 and above](https://telegram.org/dl/desktop/mac)
+* [macOS 10.13 and above](https://telegram.org/dl/desktop/mac)
 * [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux)
 * [Snap](https://snapcraft.io/telegram-desktop)
 * [Flatpak](https://flathub.org/apps/details/org.telegram.desktop)
 
 ## Old system versions
 
+Version **4.9.9** was the last that supports older systems
+
+* [macOS 10.12](https://updates.tdesktop.com/tmac/tsetup.4.9.9.dmg)
+* [Linux with glibc < 2.28 static build](https://updates.tdesktop.com/tlinux/tsetup.4.9.9.tar.xz)
+
 Version **2.4.4** was the last that supports older systems
 
 * [OS X 10.10 and 10.11](https://updates.tdesktop.com/tosx/tsetup-osx.2.4.4.dmg)
diff --git a/Telegram/build/build.sh b/Telegram/build/build.sh
index 8239bb71b..08bd287ad 100755
--- a/Telegram/build/build.sh
+++ b/Telegram/build/build.sh
@@ -61,13 +61,13 @@ if [ "$BuildTarget" == "linux" ]; then
   BinaryName="Telegram"
 elif [ "$BuildTarget" == "mac" ] ; then
   if [ "$arg1" == "x86_64" ] || [ "$arg1" == "arm64" ]; then
-    echo "Building version $AppVersionStrFull for macOS 10.12+ ($arg1).."
+    echo "Building version $AppVersionStrFull for macOS 10.13+ ($arg1).."
     MacArch="$arg1"
     if [ "$arg2" == "request_uuid" ] && [ "$arg3" != "" ]; then
       NotarizeRequestId="$arg3"
     fi
   else
-    echo "Building version $AppVersionStrFull for macOS 10.12+.."
+    echo "Building version $AppVersionStrFull for macOS 10.13+.."
     if [ "$arg2" != "" ]; then
       if [ "$arg1" == "request_uuid_x86_64" ]; then
         NotarizeRequestIdAMD64="$arg2"
diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index 51a1b4519..7f1488fae 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -83,9 +83,9 @@ for singlePrefix in pathPrefixes:
 
 environment = {
     'MAKE_THREADS_CNT': '-j8',
-    'MACOSX_DEPLOYMENT_TARGET': '10.12',
+    'MACOSX_DEPLOYMENT_TARGET': '10.13',
     'UNGUARDED': '-Werror=unguarded-availability-new',
-    'MIN_VER': '-mmacosx-version-min=10.12',
+    'MIN_VER': '-mmacosx-version-min=10.13',
     'USED_PREFIX': usedPrefix,
     'ROOT_DIR': rootDir,
     'LIBS_DIR': libsDir,
@@ -624,6 +624,7 @@ mac:
 stage('rnnoise', """
     git clone https://github.com/desktop-app/rnnoise.git
     cd rnnoise
+    git checkout fe37e57d09
     mkdir out
     cd out
 win:
@@ -1403,7 +1404,7 @@ mac:
 stage('tg_owt', """
     git clone https://github.com/desktop-app/tg_owt.git
     cd tg_owt
-    git checkout 3bb3d75768
+    git checkout 592b14d13b
     git submodule init
     git submodule update
 win:
diff --git a/Telegram/build/release.py b/Telegram/build/release.py
index ce96bf9da..d7bee5077 100644
--- a/Telegram/build/release.py
+++ b/Telegram/build/release.py
@@ -218,7 +218,7 @@ files.append({
   'remote': 'tsetup.' + version_full + '.dmg',
   'backup_folder': 'tmac',
   'mime': 'application/octet-stream',
-  'label': 'macOS 10.12+: Installer',
+  'label': 'macOS 10.13+: Installer',
 })
 files.append({
   'local': 'tsetup.' + version_full + '.tar.xz',
diff --git a/Telegram/build/updates.py b/Telegram/build/updates.py
index d1cdc7203..7a05070e7 100644
--- a/Telegram/build/updates.py
+++ b/Telegram/build/updates.py
@@ -56,7 +56,7 @@ outputFolder = 'updates/' + today
 archive = 'tdesktop_macOS_' + today + '.zip'
 
 if building:
-    print('Building ' + conf + ' version for OS X 10.12+..')
+    print('Building ' + conf + ' version for OS X 10.13+..')
 
     if os.path.exists('../out/' + conf + '/' + outputFolder):
         finish(1, 'Todays updates version exists.')
diff --git a/cmake b/cmake
index 8bc8f9580..18d4aae26 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 8bc8f9580abe99f5d1cc5501703f7760b96d8240
+Subproject commit 18d4aae269c51d5b24e96957abbdb389a1270122