diff --git a/Cargo.toml b/Cargo.toml
index 5f3c4b9..31fa2e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,10 @@ build = "src/build.rs"
 
 [profile.release]
 strip = true
+[profile.dev]
+opt-level = 1
+[profile.dev.package."*"]
+opt-level = 3
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]