diff --git a/crates/gpui2/src/app/entity_map.rs b/crates/gpui2/src/app/entity_map.rs
index 3ece55fe0a..e626f8c409 100644
--- a/crates/gpui2/src/app/entity_map.rs
+++ b/crates/gpui2/src/app/entity_map.rs
@@ -450,6 +450,9 @@ pub struct WeakModel<T> {
     entity_type: PhantomData<T>,
 }
 
+unsafe impl<T> Send for WeakModel<T> {}
+unsafe impl<T> Sync for WeakModel<T> {}
+
 impl<T> Clone for WeakModel<T> {
     fn clone(&self) -> Self {
         Self {
diff --git a/crates/gpui2/src/assets.rs b/crates/gpui2/src/assets.rs
index baf75b8aab..39c8562b69 100644
--- a/crates/gpui2/src/assets.rs
+++ b/crates/gpui2/src/assets.rs
@@ -8,7 +8,7 @@ use std::{
     sync::atomic::{AtomicUsize, Ordering::SeqCst},
 };
 
-pub trait AssetSource: 'static {
+pub trait AssetSource: 'static + Send + Sync {
     fn load(&self, path: &str) -> Result<Cow<[u8]>>;
     fn list(&self, path: &str) -> Result<Vec<SharedString>>;
 }