diff --git a/door/Cargo.toml b/door/Cargo.toml
index 9d6ed63..9f7862d 100644
--- a/door/Cargo.toml
+++ b/door/Cargo.toml
@@ -13,3 +13,6 @@ tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 anyhow = "1.0.75"
 assert_cmd = "2.0.12"
 tempfile = "3.8.0"
+
+[profile.release]
+lto = true
diff --git a/fridge/Cargo.toml b/fridge/Cargo.toml
index 6e2566e..37699e6 100644
--- a/fridge/Cargo.toml
+++ b/fridge/Cargo.toml
@@ -13,3 +13,6 @@ tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 anyhow = "1.0.75"
 assert_cmd = "2.0.12"
 tempfile = "3.8.0"
+
+[profile.release]
+lto = true
diff --git a/lamp/Cargo.toml b/lamp/Cargo.toml
index d81c0d2..c7fc174 100644
--- a/lamp/Cargo.toml
+++ b/lamp/Cargo.toml
@@ -13,3 +13,6 @@ tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 anyhow = "1.0.75"
 assert_cmd = "2.0.12"
 tempfile = "3.8.0"
+
+[profile.release]
+lto = true
diff --git a/sink/Cargo.toml b/sink/Cargo.toml
index 5f29891..dc59844 100644
--- a/sink/Cargo.toml
+++ b/sink/Cargo.toml
@@ -13,3 +13,6 @@ tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 anyhow = "1.0.75"
 assert_cmd = "2.0.12"
 tempfile = "3.8.0"
+
+[profile.release]
+lto = true