diff --git a/Cargo.toml b/Cargo.toml
index 0dfb5ef..764ee30 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,9 +12,9 @@ default = ["tolk"]
 tolk = ["tts/tolk"]
 
 [dependencies]
-bevy = { version = "0.5", default-features = false }
+bevy = { version = "0.6", default-features = false }
 crossbeam-channel = "0.5"
-tts = "0.19"
+tts = "0.20"
 
 [dev-dependencies]
-bevy = { version = "0.5", default-features = true }
\ No newline at end of file
+bevy = { version = "0.6", default-features = true }
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 8c85d03..35d146a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,7 +20,7 @@ fn poll_callbacks(channel: Res<TtsChannel>, mut events: EventWriter<TtsEvent>) {
 pub struct TtsPlugin;
 
 impl Plugin for TtsPlugin {
-    fn build(&self, app: &mut AppBuilder) {
+    fn build(&self, app: &mut App) {
         let tts = Tts::default().unwrap();
         let (tx, rx) = unbounded();
         let tx_begin = tx.clone();
@@ -47,6 +47,6 @@ impl Plugin for TtsPlugin {
         app.add_event::<TtsEvent>()
             .insert_resource(TtsChannel(rx))
             .insert_resource(tts)
-            .add_system(poll_callbacks.system());
+            .add_system(poll_callbacks);
     }
 }