diff --git a/.github/workflows/snap.yml b/.github/workflows/snap.yml
index 0b504c329..508a4b4df 100644
--- a/.github/workflows/snap.yml
+++ b/.github/workflows/snap.yml
@@ -67,7 +67,7 @@ jobs:
 
       - name: CMake build.
         if: steps.cache-cmake.outputs.cache-hit != 'true'
-        run: snapcraft build --destructive-mode cmake
+        run: sudo snapcraft build --destructive-mode cmake
 
       - name: FFmpeg cache.
         id: cache-ffmpeg
@@ -78,11 +78,11 @@ jobs:
 
       - name: FFmpeg build.
         if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
-        run: snapcraft build --destructive-mode ffmpeg
+        run: sudo snapcraft build --destructive-mode ffmpeg
 
       - name: Telegram Desktop snap build.
         if: env.ONLY_CACHE == 'false'
-        run: snapcraft --destructive-mode
+        run: sudo snapcraft --destructive-mode
 
       - name: Move artifact.
         if: env.UPLOAD_ARTIFACT == 'true'
@@ -102,5 +102,5 @@ jobs:
 
       - name: Remove unneeded directories for cache.
         run: |
-          rm -rf parts/{cmake,ffmpeg}/{build,src,ubuntu}
-          rm -rf parts/{cmake,ffmpeg}/state/{stage,prime}
+          sudo rm -rf parts/{cmake,ffmpeg}/{build,src,ubuntu}
+          sudo rm -rf parts/{cmake,ffmpeg}/state/{stage,prime}
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index dddf80925..a1294231c 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -191,13 +191,35 @@ parts:
       - libtinfo5
     prime: [-./*]
 
+  nasm:
+    source: https://repo.or.cz/nasm.git
+    source-depth: 1
+    source-tag: nasm-2.14.02
+    plugin: autotools
+    override-build: |
+      ./autogen.sh
+      ./configure --prefix=
+      make
+      install -d "$SNAPCRAFT_PART_INSTALL/bin"
+      install nasm "$SNAPCRAFT_PART_INSTALL/bin/nasm"
+      install ndisasm "$SNAPCRAFT_PART_INSTALL/bin/ndisasm"
+    prime: [-./*]
+
+  dav1d:
+    source: https://github.com/videolan/dav1d.git
+    source-depth: 1
+    source-tag: 0.6.0
+    plugin: meson
+    meson-parameters: [--prefix=/usr]
+    after:
+      - nasm
+
   ffmpeg:
     source: https://github.com/FFmpeg/FFmpeg.git
     source-depth: 1
     source-branch: release/4.2
     plugin: autotools
     build-packages:
-      - yasm
       - libasound2-dev
       - libopus-dev
       - libva-dev
@@ -219,6 +241,7 @@ parts:
       - --disable-iconv
       - --enable-gpl
       - --enable-version3
+      - --enable-libdav1d
       - --enable-libopus
       - --enable-vaapi
       - --enable-vdpau
@@ -228,6 +251,7 @@ parts:
       - --enable-decoder=flac
       - --enable-decoder=gif
       - --enable-decoder=h264
+      - --enable-decoder=libdav1d
       - --enable-decoder=mp1
       - --enable-decoder=mp1float
       - --enable-decoder=mp2
@@ -277,6 +301,8 @@ parts:
       patch -p1 < "$SNAPCRAFT_STAGE/ffmpeg.diff"
     after:
       - patches
+      - nasm
+      - dav1d
 
   openal:
     source: https://github.com/kcat/openal-soft.git