diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index 9815fbe18..8188b10f1 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -1095,6 +1095,7 @@ depends:yasm/yasm
         --disable-network \
         --disable-everything \
         --enable-protocol=file \
+        --enable-libdav1d \
         --enable-libopus \
         --enable-libvpx \
         --enable-hwaccel=h264_videotoolbox \
@@ -1116,6 +1117,7 @@ depends:yasm/yasm
         --enable-decoder=gif \
         --enable-decoder=h264 \
         --enable-decoder=hevc \
+        --enable-decoder=libdav1d \
         --enable-decoder=libvpx_vp8 \
         --enable-decoder=libvpx_vp9 \
         --enable-decoder=mp1 \
diff --git a/cmake b/cmake
index 9f1b85aa9..022c15d43 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 9f1b85aa9d51025ccefe63992d05c878bc267774
+Subproject commit 022c15d437aba149b1495532b1560de2a71b13df