diff --git a/Cargo.toml b/Cargo.toml
index b2c52e1..7aba7a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ toml = "0.8"
 propolis-client = { git = "https://github.com/oxidecomputer/propolis", rev = "02fdf06bb279fc1b1393f993b90cbe84b7e9f281" }
 libc = "0.2"
 tokio = { version = "1.47.1", features = ["full"] }
-tokio-tungstenite = "0.21"
+tokio-tungstenite = "0.27"
 futures = "0.3"
 clap = { version = "4.5.42", features = ["color", "derive"] }
 tabwriter = { version = "1", features = ["ansi_formatting"] }