diff --git a/ops/nixos/marukuru/default.nix b/ops/nixos/marukuru/default.nix
index bdd08862c4..b9325958dc 100644
--- a/ops/nixos/marukuru/default.nix
+++ b/ops/nixos/marukuru/default.nix
@@ -113,7 +113,7 @@ in {
     ];
   };
   docker-containers.heptapod = {
-    #image = "octobus/heptapod:0.12.3";
+    #image = "octobus/heptapod:0.13.0-py3";
     image = "heptapod:latest";
     ports = [
       # host:container