diff --git a/Cargo.toml b/Cargo.toml
index 0682428f9..c1b103412 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,8 @@
+[profile.dev.package.backtrace]
+opt-level = 3
+
+[profile.dev.package.num-bigint-dig]
+opt-level = 3
 
 [profile.release]
 codegen-units = 1