diff --git a/build/unix/build-clang/build-clang.py b/build/unix/build-clang/build-clang.py
index b24873b1100..12c9da0d753 100755
--- a/build/unix/build-clang/build-clang.py
+++ b/build/unix/build-clang/build-clang.py
@@ -3,7 +3,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-llvm_revision = "167750"
+llvm_revision = "168304"
 moz_version = "moz0"
 
 ##############################################