diff --git a/telegram.spec b/telegram.spec
index c1c7fd2..388e8a7 100644
--- a/telegram.spec
+++ b/telegram.spec
@@ -1,5 +1,6 @@
 Name:          telegram
-Version:       4.4.1
+Epoch:         1
+Version:       4.5.3
 Release:       1mamba
 Summary:       The official desktop client for the Telegram messenger
 Group:         Graphical Desktop/Applications/Internet
@@ -19,7 +20,6 @@ Patch5:        telegram-4.0.2-fix-tgcalls-cstdint.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libQt5Svg-devel
 BuildRequires: libX11-devel
 BuildRequires: libXcomposite-devel
 BuildRequires: libXdamage-devel
@@ -37,29 +37,35 @@ BuildRequires: libglibmm-devel
 BuildRequires: libhunspell-devel
 BuildRequires: libjemalloc-devel
 BuildRequires: libjpeg-devel
-BuildRequires: libkcoreaddons-devel
 BuildRequires: liblz4-devel
 BuildRequires: libminizip1-devel
 BuildRequires: libopenal-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libopus-devel
 BuildRequires: libpipewire-devel
+BuildRequires: libprotobuf-devel
 BuildRequires: librnnoise-devel
 BuildRequires: libsigc++-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libswresample-ffmpeg-devel
 BuildRequires: libswscale-ffmpeg-devel
 BuildRequires: libvpx6-devel
+BuildRequires: libwayland-devel
 BuildRequires: libxcb-devel
 BuildRequires: libxcb-keysyms-devel
 BuildRequires: libxxhash-devel
 BuildRequires: libz-devel
-BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qt5compat-devel
+BuildRequires: qt6-qtbase-devel
+BuildRequires: qt6-qtdeclarative-devel
+BuildRequires: qt6-qtsvg-devel
+BuildRequires: qt6-qtwayland-devel
 ## AUTOBUILDREQ-END
 #BuildRequires: libbreakpad-devel
 BuildRequires: range-v3-devel
 BuildRequires: range-v3-devel >= 0.11.0
-BuildRequires: libtg_owt-devel >= 0.1.20220508git.10d5f4b
+BuildRequires: libtg_owt-devel >= 0.1.20230105git
+BuildRequires: libabseil-cpp-devel >= 20230125.0
 BuildRequires: libmicrosoft-gsl-devel
 BuildRequires: tl-expected-devel
 BuildRequires: librnnoise-devel
@@ -141,6 +147,12 @@ fi
 %doc LICENSE LEGAL
 
 %changelog
+* Wed Feb 01 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5.3-1mamba
+- downgrade to stable release 4.5.3
+
+* Fri Jan 27 2023 Automatic Build System <autodist@mambasoft.it> 4.5.6-1mamba
+- automatic version update by autodist
+
 * Thu Dec 22 2022 Automatic Build System <autodist@mambasoft.it> 4.4.1-1mamba
 - automatic version update by autodist