diff --git a/tools/clang/scripts/update.py b/tools/clang/scripts/update.py
index 49e793a..6023cb8 100755
--- a/tools/clang/scripts/update.py
+++ b/tools/clang/scripts/update.py
@@ -39,7 +39,7 @@
 # https://chromium.googlesource.com/chromium/src/+/main/docs/updating_clang.md
 # Reverting problematic clang rolls is safe, though.
 # This is the output of `git describe` and is usable as a commit-ish.
-CLANG_REVISION = 'llvmorg-13-init-12576-g643b6407'
+CLANG_REVISION = 'llvmorg-13-init-12881-g4017d033'
 CLANG_SUB_REVISION = 1
 
 PACKAGE_VERSION = '%s-%s' % (CLANG_REVISION, CLANG_SUB_REVISION)