diff --git a/DEPS b/DEPS
index 6e5c5499be..5096f97c3b 100644
--- a/DEPS
+++ b/DEPS
@@ -35,11 +35,11 @@ vars = {
 
   # Chromium build number for unit tests. It should be regularly updated to
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Linux_x64/LAST_CHANGE
-  'chromium_linux': '903343',
+  'chromium_linux': '904173',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Win_x64/LAST_CHANGE
-  'chromium_win': '903343',
+  'chromium_win': '904188',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Mac/LAST_CHANGE
-  'chromium_mac': '903344',
+  'chromium_mac': '904178',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.