diff --git a/Cargo.toml b/Cargo.toml
index b8da811ea..e536057bc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,4 +1,6 @@
 [profile.dev.package]
+backtrace = { opt-level = 3 }
+num-bigint-dig = { opt-level = 3 }
 taplo = { debug-assertions = false } # A debug assertion will make the xtask panic with too long trailing comments
 
 # The profile that 'cargo dist' will build with