diff --git a/DEPS b/DEPS
index ac34773cd680d7..33fcbf6c9603f0 100644
--- a/DEPS
+++ b/DEPS
@@ -753,7 +753,7 @@ deps = {
     Var('chromium_git') + '/angle/angle.git' + '@' +  Var('angle_revision'),
 
   'src/third_party/dav1d/libdav1d':
-    Var('chromium_git') + '/external/github.com/videolan/dav1d.git' + '@' + '556890be42d8affef280188c1a5d22cf299b2197',
+    Var('chromium_git') + '/external/github.com/videolan/dav1d.git' + '@' + 'a91a03b0e143f77bd647b481aff034eb3315ee7b',
 
   'src/third_party/dawn':
     Var('dawn_git') + '/dawn.git' + '@' +  Var('dawn_revision'),
diff --git a/third_party/avif/libavif b/third_party/avif/libavif
new file mode 160000
index 00000000000000..22c1ad9f706ee0
--- /dev/null
+++ b/third_party/avif/libavif
@@ -0,0 +1 @@
+Subproject commit 22c1ad9f706ee00c3cdd0bb71ec4b7818de2f6c3
diff --git a/third_party/dav1d/README.chromium b/third_party/dav1d/README.chromium
index b2fb84e81f2b0a..b66f0ef8393e3a 100644
--- a/third_party/dav1d/README.chromium
+++ b/third_party/dav1d/README.chromium
@@ -1,7 +1,7 @@
 Name: dav1d is an AV1 decoder :)
 Short Name: dav1d
 URL: https://code.videolan.org/videolan/dav1d
-Version: 556890be42d8affef280188c1a5d22cf299b2197
+Version: a91a03b0e143f77bd647b481aff034eb3315ee7b
 License: 2-Clause BSD
 License File: LICENSE
 Security Critical: yes
diff --git a/third_party/dav1d/dav1d_generated.gni b/third_party/dav1d/dav1d_generated.gni
index 5fafdd78f7feba..2599d8b623c4f4 100644
--- a/third_party/dav1d/dav1d_generated.gni
+++ b/third_party/dav1d/dav1d_generated.gni
@@ -14,6 +14,7 @@ x86_asm_sources = [
   "libdav1d/src/x86/itx.asm",
   "libdav1d/src/x86/itx_ssse3.asm",
   "libdav1d/src/x86/loopfilter.asm",
+  "libdav1d/src/x86/loopfilter_ssse3.asm",
   "libdav1d/src/x86/looprestoration.asm",
   "libdav1d/src/x86/looprestoration_ssse3.asm",
   "libdav1d/src/x86/mc.asm",