diff --git a/DEPS b/DEPS
index 396455af6c..e495d1a364 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': '7542f07f67d1e614024e6f4f7ef08fe7dfe70a18',
+  'chromium_revision': '38664e74cd3692104d105a51567f229341fff964',
 }
 
 # 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
index 0822c2bde8..caf629d0a1 100644
--- a/build_overrides/build.gni
+++ b/build_overrides/build.gni
@@ -7,7 +7,8 @@
 # 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.
+# Some WebRTC targets require the 10.7 deployment version of the Mac SDK and a
+# 10.11 min 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_sdk_min_build_override = "10.11"
 mac_deployment_target_build_override = "10.7"
diff --git a/webrtc/supplement.gypi b/webrtc/supplement.gypi
index 183255b715..2cd5400f22 100644
--- a/webrtc/supplement.gypi
+++ b/webrtc/supplement.gypi
@@ -2,8 +2,9 @@
   'variables': {
     'variables': {
       'webrtc_root%': '<(DEPTH)/webrtc',
-      # Override the default (10.6) in Chromium's build/common.gypi.
+      # Override the defaults in Chromium's build/common.gypi.
       # Needed for ARC and libc++.
+      'mac_sdk_min%': '10.11',
       'mac_deployment_target%': '10.7',
     },
     'webrtc_root%': '<(webrtc_root)',