diff --git a/Telegram/gyp/helpers b/Telegram/gyp/helpers
index f45030141..1618540c6 160000
--- a/Telegram/gyp/helpers
+++ b/Telegram/gyp/helpers
@@ -1 +1 @@
-Subproject commit f450301417d8b7bd7fed660cf7520ae7ead10c60
+Subproject commit 1618540c64b03828ec3fb7463739a2b0a683443f
diff --git a/docs/building-cmake.md b/docs/building-cmake.md
index 987c8cf98..8b953035b 100644
--- a/docs/building-cmake.md
+++ b/docs/building-cmake.md
@@ -13,7 +13,7 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 You will need GCC 8.1 installed. To install them and all the required dependencies run
 
     sudo apt-get install software-properties-common -y && \
-    sudo apt-get install git libexif-dev liblzma-dev libz-dev libssl-dev libappindicator-dev libicu-dev libdee-dev libdrm-dev dh-autoreconf autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev libxcb-xfixes0-dev libxcb-keysyms1-dev libxcb-icccm4-dev libxcb-render-util0-dev libxcb-util0-dev libxrender-dev libasound-dev libpulse-dev libxcb-sync0-dev libxcb-randr0-dev libx11-xcb-dev libffi-dev libncurses5-dev pkg-config texi2html zlib1g-dev yasm xutils-dev bison python-xcbgen chrpath gperf -y && \
+    sudo apt-get install git libexif-dev liblzma-dev libz-dev libssl-dev libappindicator-dev libicu-dev libdee-dev libdrm-dev dh-autoreconf autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-image0-dev libxcb-shm0-dev libxcb-xfixes0-dev libxcb-keysyms1-dev libxcb-icccm4-dev libxcb-render-util0-dev libxcb-util0-dev libxcb-xkb-dev libxrender-dev libasound-dev libpulse-dev libxcb-sync0-dev libxcb-randr0-dev libx11-xcb-dev libffi-dev libncurses5-dev pkg-config texi2html zlib1g-dev yasm xutils-dev bison python-xcbgen chrpath gperf -y && \
     sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \
     sudo apt-get update && \
     sudo apt-get install gcc-8 g++-8 -y && \
@@ -218,7 +218,7 @@ Go to ***BuildPath*** and run
     git clone https://github.com/xkbcommon/libxkbcommon.git
     cd libxkbcommon
     git checkout xkbcommon-0.8.4
-    ./autogen.sh --disable-x11
+    ./autogen.sh
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..