diff --git a/crates/collab/src/rpc.rs b/crates/collab/src/rpc.rs
index 65f4d4ba4e..4c38e63d5e 100644
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -372,9 +372,9 @@ impl Server {
         self: Arc<Server>,
         request: TypedEnvelope<proto::ShareProject>,
     ) -> tide::Result<proto::Ack> {
-        self.state_mut()
-            .await
-            .share_project(request.payload.project_id, request.sender_id);
+        let mut state = self.state_mut().await;
+        let project = state.share_project(request.payload.project_id, request.sender_id)?;
+        self.update_contacts_for_users(&mut *state, &project.authorized_user_ids);
         Ok(proto::Ack {})
     }
 
@@ -4465,19 +4465,19 @@ mod tests {
         client_a
             .user_store
             .condition(&cx_a, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
+                contacts(user_store) == vec![("user_a", vec![("a", false, vec![])])]
             })
             .await;
         client_b
             .user_store
             .condition(&cx_b, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
+                contacts(user_store) == vec![("user_a", vec![("a", false, vec![])])]
             })
             .await;
         client_c
             .user_store
             .condition(&cx_c, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
+                contacts(user_store) == vec![("user_a", vec![("a", false, vec![])])]
             })
             .await;
 
@@ -4488,6 +4488,24 @@ mod tests {
             .update(cx_a, |project, cx| project.share(cx))
             .await
             .unwrap();
+        client_a
+            .user_store
+            .condition(&cx_a, |user_store, _| {
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec![])])]
+            })
+            .await;
+        client_b
+            .user_store
+            .condition(&cx_b, |user_store, _| {
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec![])])]
+            })
+            .await;
+        client_c
+            .user_store
+            .condition(&cx_c, |user_store, _| {
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec![])])]
+            })
+            .await;
 
         let _project_b = Project::remote(
             project_id,
@@ -4503,19 +4521,19 @@ mod tests {
         client_a
             .user_store
             .condition(&cx_a, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec!["user_b"])])]
             })
             .await;
         client_b
             .user_store
             .condition(&cx_b, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec!["user_b"])])]
             })
             .await;
         client_c
             .user_store
             .condition(&cx_c, |user_store, _| {
-                contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
+                contacts(user_store) == vec![("user_a", vec![("a", true, vec!["user_b"])])]
             })
             .await;
 
@@ -4539,7 +4557,7 @@ mod tests {
             .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
             .await;
 
-        fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
+        fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, bool, Vec<&str>)>)> {
             user_store
                 .contacts()
                 .iter()
@@ -4550,6 +4568,7 @@ mod tests {
                         .map(|p| {
                             (
                                 p.worktree_root_names[0].as_str(),
+                                p.is_shared,
                                 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
                             )
                         })
diff --git a/crates/collab/src/rpc/store.rs b/crates/collab/src/rpc/store.rs
index 33d2a39981..946e9f8420 100644
--- a/crates/collab/src/rpc/store.rs
+++ b/crates/collab/src/rpc/store.rs
@@ -66,6 +66,10 @@ pub struct JoinedProject<'a> {
     pub project: &'a Project,
 }
 
+pub struct SharedProject {
+    pub authorized_user_ids: Vec<UserId>,
+}
+
 pub struct UnsharedProject {
     pub connection_ids: Vec<ConnectionId>,
     pub authorized_user_ids: Vec<UserId>,
@@ -355,7 +359,11 @@ impl Store {
         Ok((worktree, guest_connection_ids))
     }
 
-    pub fn share_project(&mut self, project_id: u64, connection_id: ConnectionId) -> bool {
+    pub fn share_project(
+        &mut self,
+        project_id: u64,
+        connection_id: ConnectionId,
+    ) -> tide::Result<SharedProject> {
         if let Some(project) = self.projects.get_mut(&project_id) {
             if project.host_connection_id == connection_id {
                 let mut share = ProjectShare::default();
@@ -363,10 +371,12 @@ impl Store {
                     share.worktrees.insert(*worktree_id, Default::default());
                 }
                 project.share = Some(share);
-                return true;
+                return Ok(SharedProject {
+                    authorized_user_ids: project.authorized_user_ids(),
+                });
             }
         }
-        false
+        Err(anyhow!("no such project"))?
     }
 
     pub fn unshare_project(