diff --git a/.cargo/config.toml b/.cargo/config.toml
index af86330d..0fad2f4b 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,3 +1,9 @@
+[target.'cfg(not(target_os = "windows"))']
+rustflags = ["-C", "linker=clang", "-C", "link-arg=-fuse-ld=lld"]
+
+[target.'cfg(target_os = "windows")']
+rustflags = ["-C", "linker=lld-link", "-C", "link-arg=-fuse-ld=lld-link"]
+
 [target.'cfg(target_arch = "x86_64")']
 rustflags = ["-C", "target-cpu=x86-64-v3"]
 
diff --git a/Cargo.toml b/Cargo.toml
index 1d9eb2aa..863b59f6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,3 +44,4 @@ cc = { version = "1.2", features = ["parallel"] }
 
 [profile.release]
 panic = "abort"
+lto = true
diff --git a/build.rs b/build.rs
index 26ffa77e..739867bd 100644
--- a/build.rs
+++ b/build.rs
@@ -61,6 +61,7 @@ fn main() {
 
     let os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
     let arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap();
+    let profile = std::env::var("PROFILE").unwrap();
     if arch == "x86_64" {
         rdp_build.flag("-march=x86-64-v3");
     } else if arch == "aarch64" {
@@ -78,6 +79,9 @@ fn main() {
             .unwrap();
     }
 
+    if profile == "release" {
+        rdp_build.flag("-flto");
+    }
     rdp_build.compile("parallel-rdp");
 
     let out_path = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
@@ -153,6 +157,9 @@ fn main() {
         simd_build.file("src/compat/aarch64.c");
         simd_build.file(std::env::temp_dir().join("bindgen").join("extern.c"));
         simd_build.include(".");
+        if profile == "release" {
+            simd_build.flag("-flto");
+        }
         simd_build.compile("simd");
     }