diff --git a/DEPS b/DEPS
index bbe9d8f1f2ddc..275f7ebcac63a 100644
--- a/DEPS
+++ b/DEPS
@@ -126,7 +126,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + 'c4df4a7b616f6ef1bc81bd99efdd4bff107a407e',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '778935c9452dde04e246b986d6b92bbaaed142f2',
 
    # Fuchsia compatibility
    #
diff --git a/tools/gn b/tools/gn
index d1b9f88bc846a..4ea925918e836 100755
--- a/tools/gn
+++ b/tools/gn
@@ -83,6 +83,12 @@ def to_gn_args(args):
 
     gn_args = {}
 
+    if args.bitcode:
+      if args.target_os != 'ios':
+        raise Exception('Bitcode is only supported for iOS')
+
+    gn_args['enable_bitcode'] = args.bitcode
+
     # Skia GN args.
     gn_args['skia_enable_flutter_defines'] = True # Enable Flutter API guards in Skia.
     gn_args['skia_use_dng_sdk'] = False    # RAW image handling.
@@ -331,6 +337,9 @@ def parse_args(args):
   parser.add_argument('--build-glfw-shell', dest='build_glfw_shell', default=False, action='store_true',
                       help='Force building the GLFW shell on desktop platforms where it is not built by default.')
 
+  parser.add_argument('--bitcode', default=False, action='store_true',
+                      help='Enable bitcode for iOS targets.')
+
   return parser.parse_args(args)
 
 def main(argv):