diff --git a/Cargo.toml b/Cargo.toml
index 3d732f1..5b908ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,3 +16,7 @@ features = ["extension-module", "abi3-py37"]
 [lib]
 name = "boxcars_py"
 crate-type = ["cdylib"]
+
+[profile.release]
+strip = true
+lto = true