diff --git a/Cargo.toml b/Cargo.toml
index 463dd6b4..2e078073 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,6 +44,6 @@ rustversion = "1.0.9"
 [dev-dependencies]
 lazy_static = "1.4.0"
 regex = "1.6.0"
-serial_test = "0.8.0"
+serial_test = "0.9.0"
 tempfile = "3.3.0"