diff --git a/src/fontations/Cargo.toml b/src/fontations/Cargo.toml
index dc02d7c30..b940c1450 100644
--- a/src/fontations/Cargo.toml
+++ b/src/fontations/Cargo.toml
@@ -11,6 +11,9 @@ name = "harfbuzz_fontations"
 path = "lib.rs"
 crate-type = ["staticlib"]
 
+[profile.release]
+lto = true
+
 [profile.debugoptimized]
 inherits = "release"
 debug = true