diff --git a/hosts/containers/prometheus/configuration.nix b/hosts/containers/prometheus/configuration.nix
index 1a8eb98d..bbf693a3 100644
--- a/hosts/containers/prometheus/configuration.nix
+++ b/hosts/containers/prometheus/configuration.nix
@@ -100,6 +100,6 @@
     };
   };
 
-  system.stateVersion = "19.03"; # Did you read the comment?
+  system.stateVersion = "20.09"; # Did you read the comment?
 
 }