diff --git a/CHROMIUM_BUILD_COMPATIBILITY.txt b/CHROMIUM_BUILD_COMPATIBILITY.txt
index 5969f5e06..2607db39c 100644
--- a/CHROMIUM_BUILD_COMPATIBILITY.txt
+++ b/CHROMIUM_BUILD_COMPATIBILITY.txt
@@ -16,5 +16,5 @@
 # http://dev.chromium.org/developers/how-tos/get-the-code
 
 {
-  'release_url': 'http://src.chromium.org/svn/releases/18.0.1025.54',
+  'release_url': 'http://src.chromium.org/svn/releases/18.0.1025.166',
 }