diff --git a/minisql/Cargo.toml b/minisql/Cargo.toml
index 2879cd5..7cef722 100644
--- a/minisql/Cargo.toml
+++ b/minisql/Cargo.toml
@@ -14,7 +14,7 @@ bincode = { workspace = true }
 serde = { workspace = true, features = ["derive", "rc"] }
 serde_json = "1.0.113"
 thiserror = { workspace = true }
-tokio = { workspace = true, features = ["macros"] }
+tokio = { workspace = true, features = ["macros", "sync"] }
 
 proto = { path = "../proto" }
 storage_engine = { path = "../storage_engine" }
diff --git a/proto/Cargo.toml b/proto/Cargo.toml
index 7c95380..9675904 100644
--- a/proto/Cargo.toml
+++ b/proto/Cargo.toml
@@ -10,4 +10,4 @@ rand = { workspace = true }
 rand_pcg = "0.3.1"
 rand_seeder = "0.2.3"
 thiserror = { workspace = true }
-tokio = { workspace = true, features = ["io-util", "macros", "test-util"] }
+tokio = { workspace = true, features = ["io-util", "macros"] }
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 00ab655..c1c54b9 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -10,7 +10,7 @@ anyhow = { workspace = true }
 async-trait = { workspace = true }
 clap = { workspace = true, features = ["derive"] }
 rand = { workspace = true }
-tokio = { workspace = true, features = ["io-util", "macros", "net", "rt-multi-thread"] }
+tokio = { workspace = true, features = ["io-util", "macros", "net", "rt-multi-thread", "time"] }
 
 minisql = { path = "../minisql" }
 parser = { path = "../parser" }