diff --git a/modules/livebook/default.nix b/modules/livebook/default.nix
index 6bc5a81..4a63adc 100644
--- a/modules/livebook/default.nix
+++ b/modules/livebook/default.nix
@@ -30,6 +30,7 @@ in
         ];
         ports = [
           "8080:8080"
+          "8081:8081"
         ];
         volumes = [
           "${cfg.dataDir}:/data"