diff --git a/ruma-events/src/room/guest_access.rs b/ruma-events/src/room/guest_access.rs
index ed6d72ae..d506240d 100644
--- a/ruma-events/src/room/guest_access.rs
+++ b/ruma-events/src/room/guest_access.rs
@@ -14,12 +14,20 @@ pub type GuestAccessEvent = StateEvent<GuestAccessEventContent>;
 
 /// The payload for `GuestAccessEvent`.
 #[derive(Clone, Debug, Deserialize, Serialize, StateEventContent)]
+#[non_exhaustive]
 #[ruma_event(type = "m.room.guest_access")]
 pub struct GuestAccessEventContent {
     /// A policy for guest user access to a room.
     pub guest_access: GuestAccess,
 }
 
+impl GuestAccessEventContent {
+    /// Creates a new `GuestAccessEventContent` with the given policy.
+    pub fn new(guest_access: GuestAccess) -> Self {
+        Self { guest_access }
+    }
+}
+
 /// A policy for guest user access to a room.
 #[derive(Clone, Copy, Debug, PartialEq, Display, EnumString, Deserialize, Serialize)]
 #[non_exhaustive]