diff --git a/machines/overwatch/configuration.nix b/machines/overwatch/configuration.nix
index 06cac14..0454632 100644
--- a/machines/overwatch/configuration.nix
+++ b/machines/overwatch/configuration.nix
@@ -37,6 +37,7 @@ in
   services.grafana = {
     enable = true;
     settings = {
+      security.secret_key = "SW2YcwTIb9zpOOhoPsMm";
       server = {
         domain = "grafana.malobeo.org";
         http_port = 2342;