diff --git a/DEPS b/DEPS
index 0e2cb80bb6..4e2cf56ad0 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': 'aa04eb9feeaea5437ab62a19e5aea3109ae6eea8',
+  'chromium_revision': '4d6ba6e034703125e3b1218d499611ef3919feb6',
 }
 
 # NOTE: Use http rather than https; the latter can cause problems for users
diff --git a/build_overrides/build.gni b/build_overrides/build.gni
new file mode 100644
index 0000000000..0822c2bde8
--- /dev/null
+++ b/build_overrides/build.gni
@@ -0,0 +1,13 @@
+# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+# See https://bugs.chromium.org/p/webrtc/issues/detail?id=5453.
+# Some WebRTC targets require the 10.7 deployment version of the Mac SDK,
+# but those targets are only used in non-Chromium builds. We can remove
+# this when Chromium drops 10.6 support and also requires 10.7.
+mac_deployment_target_build_override = "10.7"