diff --git a/telegram-4.0.2-fix-tgcalls-cstdint.patch b/telegram-4.0.2-fix-tgcalls-cstdint.patch
new file mode 100644
index 0000000..88612eb
--- /dev/null
+++ b/telegram-4.0.2-fix-tgcalls-cstdint.patch
@@ -0,0 +1,12 @@
+diff --git a/tgcalls/utils/gzip.h b/tgcalls/utils/gzip.h
+index a3f3ea2..7ae5cc5 100644
+--- a/tgcalls/utils/gzip.h
++++ b/tgcalls/utils/gzip.h
+@@ -3,6 +3,7 @@
+ 
+ #include <absl/types/optional.h>
+ #include <vector>
++#include <cstdint>
+ 
+ namespace tgcalls {
+ 
diff --git a/telegram.spec b/telegram.spec
index 4b82fac..9bb5ecd 100644
--- a/telegram.spec
+++ b/telegram.spec
@@ -1,5 +1,5 @@
 Name:          telegram
-Version:       3.7.3
+Version:       4.0.2
 Release:       1mamba
 Summary:       The official desktop client for the Telegram messenger
 Group:         Graphical Desktop/Applications/Internet
@@ -15,6 +15,7 @@ Patch1:        telegram-1.5.15-no-gtk2.patch
 Patch2:        telegram-1.5.15-libtgvoip.patch
 Patch3:        telegram-2.7.4-fix-webview-includes.patch
 Patch4:        telegram-2.7.4-add_missing_include_optional.patch
+Patch5:        telegram-4.0.2-fix-tgcalls-cstdint.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -59,12 +60,10 @@ BuildRequires: qt6-qtwayland-devel
 ## AUTOBUILDREQ-END
 #BuildRequires: libbreakpad-devel
 BuildRequires: range-v3-devel
-#BuildRequires: libunity-devel
 BuildRequires: range-v3-devel >= 0.11.0
-BuildRequires: libtg_owt-devel >= 0.0.20210128
+BuildRequires: libtg_owt-devel >= 0.1.20220508git.10d5f4b
 BuildRequires: libmicrosoft-gsl-devel
 BuildRequires: tl-expected-devel
-BuildRequires: qt6-qt5compat-devel
 BuildRequires: librnnoise-devel
 Requires:      kconfig
 Requires:      qt6-qtimageformats
@@ -83,9 +82,15 @@ The official desktop client for the Telegram messenger.
 #%patch4 -p1
 #cd Telegram/lib_webview
 #%patch3 -p1
+#rm -rf Telegram/ThirdParty/libtgvoip/webrtc_dsp/absl
+cd Telegram/ThirdParty/tgcalls
+%patch5 -p1
+cd ../../..
 
 %build
 #:<< __EOF
+#export PKG_CONFIG_PATH='%{_libdir}/ffmpeg4/pkgconfig'
+
 %cmake -d build \
     -G Ninja \
 	-DCMAKE_BUILD_TYPE=Release \
@@ -136,6 +141,9 @@ fi
 %doc LICENSE LEGAL
 
 %changelog
+* Sun Jul 24 2022 Automatic Build System <autodist@mambasoft.it> 4.0.2-1mamba
+- automatic version update by autodist
+
 * Sat Jun 04 2022 Automatic Build System <autodist@mambasoft.it> 3.7.3-1mamba
 - automatic version update by autodist