diff --git a/demo/Cargo.toml b/demo/Cargo.toml
index e8787e583..e07a23562 100644
--- a/demo/Cargo.toml
+++ b/demo/Cargo.toml
@@ -38,6 +38,6 @@ deep_filter = { path = "../libDF/", default-features = false, features = [
 ] }
 ndarray = "^0.15"
 rubato = "0.15"
-ringbuf = "0.3"
+ringbuf = "0.4"
 env_logger = "0.10"
 log = { version = "0.4", features = ["std"] }