diff --git a/hosts/box/default.nix b/hosts/box/default.nix
index 1626cd5..442f1c1 100644
--- a/hosts/box/default.nix
+++ b/hosts/box/default.nix
@@ -289,6 +289,7 @@ in
         with python3Packages; [
           pyipp
           pymetno
+          ical
         ];
       extraComponents = [
         "airthings"