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 658bbf83bc0f..2c76e6733ecd 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 = "18.3.0";
+  version = "18.3.1";
 
   src = fetchFromGitHub {
     inherit owner;
     repo = "HomeAssistant-OctopusEnergy";
     tag = "v${version}";
-    hash = "sha256-V26sdgzA7i16SbAKTLiUgdRVTKJo23kgsRxaJsEtbyw=";
+    hash = "sha256-5Cjaq4DIe11hx/goKxGDSj6zyOb3H16s8KqlFRzhOYs=";
   };
 
   dependencies = [ pydantic ];