diff --git a/apb/Cargo.toml b/apb/Cargo.toml
index 9449d0d5..fce7a037 100644
--- a/apb/Cargo.toml
+++ b/apb/Cargo.toml
@@ -29,6 +29,7 @@ default = ["activitypub-miscellaneous-terms"]
 activitypub-miscellaneous-terms = [] # https://swicg.github.io/miscellany/
 activitypub-counters = [] # https://ns.alemi.dev/as/counters/#
 activitypub-fe = [] # https://ns.alemi.dev/as/fe/#
+litepub = [] # incomplete, https://litepub.social/
 # builtin utils
 orm = ["dep:sea-orm"]
 fetch = ["dep:reqwest"]
diff --git a/apb/src/types/object/activity/mod.rs b/apb/src/types/object/activity/mod.rs
index 7b24bbe5..90c12eb4 100644
--- a/apb/src/types/object/activity/mod.rs
+++ b/apb/src/types/object/activity/mod.rs
@@ -11,6 +11,38 @@ use offer::OfferType;
 use intransitive::IntransitiveActivityType;
 use ignore::IgnoreType;
 
+#[cfg(feature = "litepub")]
+crate::strenum! {
+	pub enum ActivityType {
+		Activity,
+		Add,
+		Announce,
+		Create,
+		Delete,
+		Dislike,
+		EmojiReact,
+		Flag,
+		Follow,
+		Join,
+		Leave,
+		Like,
+		Listen,
+		Move,
+		Read,
+		Remove,
+		Undo,
+		Update,
+		View;
+
+		IntransitiveActivity(IntransitiveActivityType),
+		Accept(AcceptType),
+		Ignore(IgnoreType),
+		Offer(OfferType),
+		Reject(RejectType)
+	};
+}
+
+#[cfg(not(feature = "litepub"))]
 crate::strenum! {
 	pub enum ActivityType {
 		Activity,