diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 5acea5de2d..1ae826e38f 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -259,6 +259,7 @@ if (is_ios || is_mac) {
 
     if (rtc_use_metal_rendering) {
       rtc_static_library("metal_objc") {
+        visibility = [ "*" ]
         sources = [
           "objc/Framework/Classes/Metal/RTCMTLI420Renderer.h",
           "objc/Framework/Classes/Metal/RTCMTLI420Renderer.mm",