diff --git a/src/main.zig b/src/main.zig
index 406b8d7..fa73e0c 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -95,7 +95,7 @@ fn handleMetricsConn(stream: std.net.Stream, stats: *broadcaster.Stats, validato
             .consumer_queue_depth = bc.consumerQueueDepth(),
         };
 
-        var metrics_buf: [16384]u8 = undefined;
+        var metrics_buf: [65536]u8 = undefined;
         const body = broadcaster.formatPrometheusMetrics(stats, cache_entries, migration_queue_len, migration_pending_count, attribution, data_dir, &metrics_buf);
         request.respond(body, .{ .status = .ok, .keep_alive = false, .extra_headers = &.{
             .{ .name = "content-type", .value = "text/plain; version=0.0.4; charset=utf-8" },