diff --git a/tokenizers/Cargo.toml b/tokenizers/Cargo.toml
index dfc04745..dec485b6 100644
--- a/tokenizers/Cargo.toml
+++ b/tokenizers/Cargo.toml
@@ -81,3 +81,6 @@ unstable_wasm = ["fancy-regex", "getrandom/js"]
 criterion = "0.4"
 tempfile = "3.1"
 assert_approx_eq = "1.1"
+
+[profile.release]
+lto = "fat"