diff --git a/toolchain.gypi b/toolchain.gypi
index 6580f18a1ad9..09ef9ce501db 100644
--- a/toolchain.gypi
+++ b/toolchain.gypi
@@ -10,7 +10,7 @@
 
     'variables': {
       # The minimum macOS SDK version to use.
-      'mac_sdk_min%': '10.10',
+      'mac_sdk_min%': '10.12',
 
       # Set ARM architecture version.
       'arm_version%': 7,