diff --git a/routing/Cargo.toml b/routing/Cargo.toml
index d9f3b1afe..27fdb6092 100644
--- a/routing/Cargo.toml
+++ b/routing/Cargo.toml
@@ -31,7 +31,7 @@ linkme = { workspace = true }
 mio = { workspace = true, features = ["os-ext", "net"] }
 serde = { workspace = true, features = ["derive"] }
 thiserror = { workspace = true }
-tokio = { workspace = true, features = ["rt", "sync"] }
+tokio = { workspace = true, features = ["fs", "io-util", "macros", "rt", "sync"] }
 tracing = { workspace = true }
 
 # arp resolver
diff --git a/routing/src/fib/test.rs b/routing/src/fib/test.rs
index 52a418b08..1f883589b 100644
--- a/routing/src/fib/test.rs
+++ b/routing/src/fib/test.rs
@@ -247,8 +247,8 @@ mod tests {
     #[test]
     fn test_concurrency_fibtable() {
         // number of threads looking up fibtable
-        const NUM_WORKERS: u16 = 7;
-        const NUM_PACKETS: u64 = 1_000_000;
+        const NUM_WORKERS: u16 = 6;
+        const NUM_PACKETS: u64 = 100_000;
         const TENTH: u64 = NUM_PACKETS / 10;
 
         // create fibtable (empty, without any fib)