diff --git a/pkgs/servers/home-assistant/custom-components/battery_notes/package.nix b/pkgs/servers/home-assistant/custom-components/battery_notes/package.nix
index 8a6333941933..7ccfaa9453c6 100644
--- a/pkgs/servers/home-assistant/custom-components/battery_notes/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/battery_notes/package.nix
@@ -7,13 +7,13 @@
 buildHomeAssistantComponent rec {
   owner = "andrew-codechimp";
   domain = "battery_notes";
-  version = "3.3.4";
+  version = "3.4.0";
 
   src = fetchFromGitHub {
     inherit owner;
     repo = "HA-Battery-Notes";
     tag = version;
-    hash = "sha256-H++0Q7X4mQ8d+goTMuvfQiLExax0+0AhotJALTYVz1s=";
+    hash = "sha256-0OGAwpYLXDOWqCxxmA7ggdAAT7LUfiaX1qlvYXZD/OM=";
   };
 
   # has no tests