diff --git a/Cargo.toml b/Cargo.toml
index 4f8c96b..cee330f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ path = "examples/main.rs"
 required-features = ["file-sscv"]
 
 [dev-dependencies]
-tokio = { version = "1.39.2", features = ["macros", "rt-multi-thread", "io-util", "fs"] }
+tokio = { version = "1.39.2", features = ["macros", "rt-multi-thread"] }
 
 [features]
-file-sscv = ["dep:dashmap"]
+file-sscv = ["dep:dashmap", "tokio/fs"]