diff --git a/Cargo.toml b/Cargo.toml
index 94b3403..f54d164 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,3 +21,10 @@ xxhash-rust = { version = "0.8.5", features = ["xxh3"] }
 #base64 = "0.22"
 #moku = "0.2"
 #sha2 = "0.10"
+
+[profile.release]
+lto = true
+
+[profile.coverage]
+inherits = "test"
+lto = false
diff --git a/Justfile b/Justfile
index af61a41..5839620 100644
--- a/Justfile
+++ b/Justfile
@@ -13,3 +13,6 @@ cov-md-ci:
   {{covfig}} time grcov . -s . {{grcov-binary}} {{grcov-ignore}} -t markdown | sort
 doc:
   cargo doc
+
+build-release:
+  time cargo build -j4 --release