diff --git a/media/filters/chunk_demuxer.cc b/media/filters/chunk_demuxer.cc
index fe98c96986ed..1b7152f55fab 100644
--- a/media/filters/chunk_demuxer.cc
+++ b/media/filters/chunk_demuxer.cc
@@ -506,6 +506,9 @@ void ChunkDemuxerStream::CompletePendingReadIfPossible_Locked() {
   // Other cases are kOk and just return the buffers.
   DCHECK(!buffers.empty());
   requested_buffer_count_ = 0;
+#if defined(STARBOARD)
+  write_head_ = std::max(write_head_, buffers.back()->timestamp());
+#endif  // defined(STARBOARD)
   std::move(read_cb_).Run(kOk, std::move(buffers));
 }
 
diff --git a/third_party/markupsafe/METADATA b/third_party/markupsafe/METADATA
index b98d16f11ad1..df2caa9efa09 100644
--- a/third_party/markupsafe/METADATA
+++ b/third_party/markupsafe/METADATA
@@ -6,12 +6,12 @@ description:
 third_party {
   identifier {
     type: "ChromiumVersion"
-    value: "108.0.5359.243"  # from https://chromereleases.googleblog.com/2023/09/long-term-support-channel-update-for_18.html
+    value: "114.0.5735.358"  # from https://chromereleases.googleblog.com/2024/03/long-term-support-channel-update-for_26.html
   }
   identifier {
     type: "Git"
     value: "https://chromium.googlesource.com/chromium/src.git"
-    version: "60f10bcddac0f909b6ba2ddbaf2b49ca9c5ba714"
+    version: "1759c6ae9316996b9f150c0ce9d0ca78a3d15c02"
   }
   identifier {
     type: "UpstreamSubdir"
diff --git a/third_party/markupsafe/README.chromium b/third_party/markupsafe/README.chromium
index 0fcab52fa2b4..ba79d61ef7a7 100644
--- a/third_party/markupsafe/README.chromium
+++ b/third_party/markupsafe/README.chromium
@@ -22,3 +22,4 @@ Also includes install script (get_markupsafe.sh) and files of hashes (MD5 is
 also posted on website, SHA-512 computed locally); script checks hash then
 unpacks archive and installs desired files.
 Retrieve or update by executing markupsafe/get_markupsafe.sh from third_party.
+We also add markupsafe.gni to list sources.
\ No newline at end of file
diff --git a/third_party/markupsafe/markupsafe.gni b/third_party/markupsafe/markupsafe.gni
new file mode 100644
index 000000000000..89c24ef0fca5
--- /dev/null
+++ b/third_party/markupsafe/markupsafe.gni
@@ -0,0 +1,6 @@
+markupsafe_sources = [
+  "//third_party/markupsafe/__init__.py",
+  "//third_party/markupsafe/_compat.py",
+  "//third_party/markupsafe/_constants.py",
+  "//third_party/markupsafe/_native.py",
+]