diff --git a/springtime/Cargo.toml b/springtime/Cargo.toml
index 575d9ec..c3633b0 100644
--- a/springtime/Cargo.toml
+++ b/springtime/Cargo.toml
@@ -29,7 +29,7 @@ tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }
 
 [dev-dependencies]
 mockall = "0.11.4"
-tokio = { version = "1.27.0", features = ["rt", "macros"] }
+tokio = { version = "1.27.0", features = ["rt", "macros", "rt-multi-thread"] }
 
 [[example]]
 name = "00-basic-app"