diff --git a/ink/storage/proto/BUILD.bazel b/ink/storage/proto/BUILD.bazel
index d0f5366c..74da2483 100644
--- a/ink/storage/proto/BUILD.bazel
+++ b/ink/storage/proto/BUILD.bazel
@@ -47,6 +47,10 @@ proto_library(
 proto_library(
     name = "stroke_input_batch_proto",
     srcs = ["stroke_input_batch.proto"],
+    visibility = [
+        "//java/com/google/android/gms/cast/proto/sharecast:__pkg__",
+        "//visibility:public",
+    ],
     deps = [
         ":coded_numeric_run_proto",
     ],