diff --git a/Cargo.toml b/Cargo.toml
index 6fb5c23..f6ea4c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "self-limiters"
 version = "0.0.0"  # This is set on release in the release workflow
 edition = "2021"
-include = ["/src"]
+include = ["/src", "pyproject.toml"]
 
 [lib]
 name = "self_limiters"
@@ -19,3 +19,7 @@ redis = { version=">=0.21.5", features = ["tokio-comp"] }
 [dev-dependencies]
 cargo-llvm-cov = { version = ">=0.4.1" }
 clippy = { version = ">=0.0.302" }
+
+[profile.release]
+opt-level = "s"
+overflow-checks = true
diff --git a/pyproject.toml b/pyproject.toml
index 114066b..b285b4b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,12 @@ classifiers = [
     'Intended Audience :: Developers',
 ]
 
+[tool.maturin]
+bindings = "pyo3"
+profile = "release"
+strip = true
+frozen = true
+
 [project.urls]
 releases = "https://github.com/sondrelg/self-limiters/releases"