diff -u bazel/grpc_deps.bzl
--- bazel/grpc_deps.bzl
+++ bazel/grpc_deps.bzl
@@ -238,6 +238,9 @@
                 "https://storage.googleapis.com/grpc-bazel-mirror/github.com/madler/zlib/archive/04f42ceca40f73e2978b50e93806c2a18c1281fc.tar.gz",
                 "https://github.com/madler/zlib/archive/04f42ceca40f73e2978b50e93806c2a18c1281fc.tar.gz",
             ],
+            patches = [
+                "@io_ray//thirdparty/patches:zlib-fdopen.patch",
+            ]
         )
 
     if "com_google_protobuf" not in native.existing_rules():