diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 4f36bf596988..59d5b1d9f26b 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -868,7 +868,7 @@
       ];
     "caldav" =
       ps: with ps; [
-        caldav
+        caldav_2
         icalendar
         vobject
       ];
diff --git a/pkgs/servers/home-assistant/update-component-packages.py b/pkgs/servers/home-assistant/update-component-packages.py
index 484333b1fdfa..d45eabd0b1b7 100755
--- a/pkgs/servers/home-assistant/update-component-packages.py
+++ b/pkgs/servers/home-assistant/update-component-packages.py
@@ -40,6 +40,7 @@ PKG_SET = "home-assistant.python.pkgs"
 # following can be used to choose the correct one
 PKG_PREFERENCES = {
     "av": "av",
+    "caldav": "caldav_2",
     "fiblary3": "fiblary3-fork",  # https://github.com/home-assistant/core/issues/66466
     "fints": "fints",
     "HAP-python": "hap-python",