diff --git a/Cargo.toml b/Cargo.toml
index 5b59d0d178..e413fc9cdc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -78,6 +78,11 @@ debug-assertions = false
 lto = true
 debug = false
 
+# used for cargo bench
+[profile.bench]
+opt-level = 2
+incremental = true
+
 # this profile is used by developers for release profiling
 [profile.releasedebuginfo]
 inherits =  'release'