diff --git a/pkgs/servers/home-assistant/custom-components/octopus_energy/package.nix b/pkgs/servers/home-assistant/custom-components/octopus_energy/package.nix
index 83ac738cb0c4..7fa157eafeae 100644
--- a/pkgs/servers/home-assistant/custom-components/octopus_energy/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/octopus_energy/package.nix
@@ -11,13 +11,13 @@
 buildHomeAssistantComponent rec {
   owner = "BottlecapDave";
   domain = "octopus_energy";
-  version = "17.1.1";
+  version = "18.0.0";
 
   src = fetchFromGitHub {
     inherit owner;
     repo = "HomeAssistant-OctopusEnergy";
     tag = "v${version}";
-    hash = "sha256-L1LqH9QMasVCZdsnHpKdxYGpsc/2vaIPAbiYc6vVshM=";
+    hash = "sha256-nCE3cdvaDTIeallI+0gr8IRHyXORzJyWgC4gxXIfLh8=";
   };
 
   dependencies = [ pydantic ];