diff --git a/script/update-clang.sh b/script/update-clang.sh
index cea171d8597c..a35eb2f5b902 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=299960
+CLANG_REVISION=307486
 
 # This is incremented when pushing a new build of Clang at the same revision.
 CLANG_SUB_REVISION=1