diff --git a/Cargo.toml b/Cargo.toml
index 91195d909aa..5e7b44784cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,3 +8,4 @@ panic = "abort"
 [profile.release]
 panic = "abort"
 lto = true
+codegen-units = 1