diff --git a/rust/config.nix b/rust/config.nix
index 80cc5caa..ad9d61c0 100644
--- a/rust/config.nix
+++ b/rust/config.nix
@@ -42,6 +42,8 @@ let
       # @see https://github.com/rust-unofficial/patterns/blob/master/anti_patterns/deny-warnings.md
       deny = "warnings";
 
+      lto = "thinlto";
+
       # significantly improves cache hit rate when recompiling
       # much more reliable than default timestamp based compiler caching
       # often (e.g. on CI/windows) we lose timestamp info from the OS