diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index 173f34c2b3..7ce74596bd 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -696,7 +696,7 @@ mac:
 """)
 
 stage('dav1d', """
-    git clone -b 1.2.1 --depth 1 https://code.videolan.org/videolan/dav1d.git
+    git clone -b 1.4.1 --depth 1 https://code.videolan.org/videolan/dav1d.git
     cd dav1d
 win:
     if "%X8664%" equ "x64" (
@@ -774,7 +774,7 @@ mac:
 """)
 
 stage('libavif', """
-    git clone -b v0.11.1 --depth 1 https://github.com/AOMediaCodec/libavif.git
+    git clone -b v1.0.4 --depth 1 https://github.com/AOMediaCodec/libavif.git
     cd libavif
 win:
     cmake . ^
@@ -804,7 +804,7 @@ mac:
 """)
 
 stage('libde265', """
-    git clone --depth 1 -b v1.0.12 https://github.com/strukturag/libde265.git
+    git clone --depth 1 -b v1.0.15 https://github.com/strukturag/libde265.git
     cd libde265
 win:
     cmake . ^
@@ -880,7 +880,7 @@ mac:
 """)
 
 stage('libheif', """
-    git clone --depth 1 -b v1.16.2 https://github.com/strukturag/libheif.git
+    git clone --depth 1 -b v1.17.6 https://github.com/strukturag/libheif.git
     cd libheif
 win:
     %THIRDPARTY_DIR%\\msys64\\usr\\bin\\sed.exe -i 's/LIBHEIF_EXPORTS/LIBDE265_STATIC_BUILD/g' libheif/CMakeLists.txt