diff --git a/Cargo.toml b/Cargo.toml
index 6fe7e6e..18b1b82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,11 @@ name = "circom-compat-ffi"
 version = "0.1.0"
 edition = "2021"
 
+[profile.dev]
+opt-level = 3               # Use slightly better optimizations.
+debug = true                # Generate debug info.
+debug-assertions = true     # Enable debug assertions.
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
 crate-type = [