diff --git a/Cargo.toml b/Cargo.toml
index f121f595..c90656f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -69,6 +69,7 @@ guess_host_triple = "0.1.3"
 env_logger = "0.9.0"
 
 [profile.release]
+opt-level = "s"
 lto = true
 codegen-units = 1
 panic = "abort"