diff --git a/tools/clang/scripts/update.py b/tools/clang/scripts/update.py
index dd4c7c65..72a2f8c8 100755
--- a/tools/clang/scripts/update.py
+++ b/tools/clang/scripts/update.py
@@ -35,8 +35,8 @@
 # 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-15-init-11722-g3f3a235a'
-CLANG_SUB_REVISION = 8
+CLANG_REVISION = 'llvmorg-15-init-13434-gbd9eed3a'
+CLANG_SUB_REVISION = 1
 
 PACKAGE_VERSION = '%s-%s' % (CLANG_REVISION, CLANG_SUB_REVISION)
 RELEASE_VERSION = '15.0.0'