diff --git a/tdesktop-2.4.7-full.tar.gz b/tdesktop-2.4.7-full.tar.gz
deleted file mode 100644
index 1474a56..0000000
--- a/tdesktop-2.4.7-full.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7b13df53be5d6b58d07d730c9429e415be2fea7f7be37bcaa80a505152125bc8
-size 36355613
diff --git a/tdesktop-2.5.1-full.tar.gz b/tdesktop-2.5.1-full.tar.gz
new file mode 100644
index 0000000..442c290
--- /dev/null
+++ b/tdesktop-2.5.1-full.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1cc5e876deaa4fa4eaafbba95f127d5a3114c166802902b8584099852b9eae2
+size 36597148
diff --git a/telegram-desktop.changes b/telegram-desktop.changes
index 9046aed..1567d74 100644
--- a/telegram-desktop.changes
+++ b/telegram-desktop.changes
@@ -1,3 +1,60 @@
+-------------------------------------------------------------------
+Wed Dec 23 14:42:21 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
+
+- Update to 2.5.1
+  * Turn any of your group chats into a hop-on, hop-off conference call.
+  * Get up to several thousand participants in each voice chat.
+  * Control the number of speakers with flexible admin tools.
+  * Fix crash in voice calls.
+
+-------------------------------------------------------------------
+Sat Dec 19 20:22:56 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
+
+- Update to 2.4.15 (beta)
+  * Improve design of voice chats.
+  * Fix sending of voice messages as replies.
+  * Fix 'Open With' menu position in macOS.
+  * Fix freeze on secondary screen disconnect.
+- Update tg_owt
+
+-------------------------------------------------------------------
+Tue Dec 15 09:28:33 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
+
+- Update to 2.4.14 (beta)
+  * Create voice chats in legacy groups.
+  * Fix sticker pack opening.
+  * Fix group status display.
+  * Fix group members display.
+
+-------------------------------------------------------------------
+Wed Dec  9 11:21:21 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
+
+- Update to 2.4.13 (beta)
+  * Voice chats in groups.
+  * Fix voice messages sending.
+  * Fix crash in voice calls.
+- Update tg_owt
+
+-------------------------------------------------------------------
+Sun Nov 22 14:51:50 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
+
+- Update to 2.4.11 (beta)
+  * Upgrade Qt to version 5.15.1.
+  * Upgrade FFmpeg to version 4.2.
+  * Upgrade OpenAL to version 1.20.1.
+  * Fix crash in tray icon removing.
+  * Use inline bots and sticker by emoji suggestions in
+    channel comments.
+  * Lock voice message recording, listen to your voice message
+    before sending.
+  * Improve locked voice message recording.
+  * Fix main window closing to tray on Windows.
+  * Fix crash in bot command sending.
+  * Fix adding additional photos when sending an album to a group
+    with enabled slow mode.
+- Update tg_owt
+- Remove explicit Requires: for ffmpeg and openssl
+
 -------------------------------------------------------------------
 Thu Nov  5 16:53:45 UTC 2020 - Marcel Kuehlhorn <tux93@opensuse.org>
 
diff --git a/telegram-desktop.spec b/telegram-desktop.spec
index 6e4bf0d..c880f23 100644
--- a/telegram-desktop.spec
+++ b/telegram-desktop.spec
@@ -31,14 +31,14 @@
 %define __builder ninja
 
 Name:           telegram-desktop
-Version:        2.4.7
+Version:        2.5.1
 Release:        0
 Summary:        Messaging application with a focus on speed and security
 License:        GPL-3.0-only
 Group:          Productivity/Networking/Instant Messenger
 URL:            https://github.com/telegramdesktop/tdesktop
 Source0:        https://github.com/telegramdesktop/tdesktop/releases/download/v%{version}/tdesktop-%{version}-full.tar.gz
-# tg_owt: https://github.com/desktop-app/tg_owt/archive/master.zip
+# git clone --recurse-submodules https://github.com/desktop-app/tg_owt.git tg_owt-master
 Source1:        tg_owt-master.zip
 # PATCH-FIX-OPENSUSE
 Patch0:         0000-gtk2-default.patch
@@ -123,6 +123,7 @@ BuildRequires:  pkgconfig(xcb-ewmh)
 BuildRequires:  pkgconfig(xcb-icccm)
 BuildRequires:  pkgconfig(xcb-image)
 BuildRequires:  pkgconfig(xcb-keysyms)
+BuildRequires:  pkgconfig(xcb-record)
 BuildRequires:  pkgconfig(xcb-renderutil)
 BuildRequires:  pkgconfig(xcb-util)
 BuildRequires:  pkgconfig(xfixes)
@@ -130,10 +131,8 @@ BuildRequires:  pkgconfig(xkbcommon)
 BuildRequires:  pkgconfig(xkbcommon-x11)
 BuildRequires:  pkgconfig(zlib)
 # Runtime requirements
-Requires:       ffmpeg
 Requires:       hicolor-icon-theme
 Requires:       icu
-Requires:       openssl
 # TDesktop can fall back to a simple GTK file picker but prefers the portal
 Recommends:     xdg-desktop-portal
 Recommends:     libqt5-qtwayland
diff --git a/tg_owt-master.zip b/tg_owt-master.zip
index 80daf41..d80aef4 100644
--- a/tg_owt-master.zip
+++ b/tg_owt-master.zip
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6442fb5af8eac71565b19c65d79d468e1ccbc55d43b9a1cf3b886a06b16a0e1f
-size 24454636
+oid sha256:3e272b3f6a7beaf446a49212d7939877f2306888fd6b37f53b4addbd1a2c6ecd
+size 28344728