diff --git a/internal/analytics/BUILD b/internal/analytics/BUILD
index 10e3faeb..5ce6d1a2 100644
--- a/internal/analytics/BUILD
+++ b/internal/analytics/BUILD
@@ -20,6 +20,7 @@ cc_library(
     ],
     visibility = [
         "//connections:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
     ],
     deps = ["@com_google_protobuf//:protobuf"],
 )
diff --git a/proto/BUILD b/proto/BUILD
index ec36e088..86bedf3d 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -50,6 +50,17 @@ proto_library(
     srcs = ["sharing_enums.proto"],
 )
 
+cc_proto_library(
+    name = "sharing_enums_cc_proto",
+    visibility = [
+        "//location/nearby/cpp/sharing:__subpackages__",
+        "//third_party/nearby:__subpackages__",
+    ],
+    deps = [
+        ":sharing_enums_proto",
+    ],
+)
+
 java_lite_proto_library(
     name = "sharing_enums_java_proto_lite",
     deps = [":sharing_enums_proto"],
diff --git a/proto/sharing_enums.proto b/proto/sharing_enums.proto
index 21644e09..d14a7c07 100644
--- a/proto/sharing_enums.proto
+++ b/proto/sharing_enums.proto
@@ -312,6 +312,7 @@ enum OSType {
   ANDROID = 1;
   CHROME_OS = 2;
   IOS = 3;
+  WINDOWS = 4;
 }
 
 // Relationship of remote device to sender device.