Add zookeeper public header
diff --git a/build.json b/build.json
index 07e66a5..3e8c071 100644
--- a/build.json
+++ b/build.json
@@ -555,6 +555,9 @@
       "name": "grpc_zookeeper",
       "build": "all",
       "language": "c",
+      "public_headers": [
+        "include/grpc/grpc_zookeeper.h"
+      ],
       "headers": [
         "src/core/client_config/resolvers/zookeeper_resolver.h"
       ],