diff --git a/script/update-clang.sh b/script/update-clang.sh
index dcbdaa55aaf2..53a4be2cd600 100755
--- a/script/update-clang.sh
+++ b/script/update-clang.sh
@@ -8,7 +8,7 @@
 # Do NOT CHANGE this if you don't know what you're doing -- see
 # https://code.google.com/p/chromium/wiki/UpdatingClang
 # Reverting problematic clang rolls is safe, though.
-CLANG_REVISION=269902
+CLANG_REVISION=274142
 
 # This is incremented when pushing a new build of Clang at the same revision.
 CLANG_SUB_REVISION=1