diff --git a/libazureinit/Cargo.toml b/libazureinit/Cargo.toml
index 5942e357..ad692196 100644
--- a/libazureinit/Cargo.toml
+++ b/libazureinit/Cargo.toml
@@ -46,7 +46,7 @@ tokio-util = "0.7.11"
 whoami = "2"
 anyhow = "1.0.81"
 gag = "1.0.0"
-serial_test = "3.0.0"
+serial_test = "4.0.1"
 
 [lib]
 name = "libazureinit"