diff --git a/Cargo.toml b/Cargo.toml
index 0f8b7563c9..f9481ce2f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,6 +80,14 @@ opt-level = 3
 opt-level = 3
 [profile.bench.package.url]
 opt-level = 3
+[profile.bench.package.bytes]
+opt-level = 3
+[profile.bench.package.futures-util]
+opt-level = 3
+[profile.bench.package.hyper]
+opt-level = 3
+[profile.bench.package.tokio]
+opt-level = 3
 
 # NB: the `bench` and `release` profiles must remain EXACTLY the same.
 [profile.release.package.rand]
@@ -114,3 +122,11 @@ opt-level = 3
 opt-level = 3
 [profile.release.package.url]
 opt-level = 3
+[profile.release.package.bytes]
+opt-level = 3
+[profile.release.package.futures-util]
+opt-level = 3
+[profile.release.package.hyper]
+opt-level = 3
+[profile.release.package.tokio]
+opt-level = 3