diff --git a/Cargo.toml b/Cargo.toml
index e5167419..35d9d46a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "blog_os"
 version = "0.1.0"
 authors = ["Philipp Oppermann <dev@phil-opp.com>"]
-edition = "2018"
+edition = "2024"
 
 [[test]]
 name = "should_panic"
diff --git a/src/lib.rs b/src/lib.rs
index 32165e72..bb9fb379 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -62,7 +62,7 @@ pub fn exit_qemu(exit_code: QemuExitCode) {
 
 /// Entry point for `cargo xtest`
 #[cfg(test)]
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn _start() -> ! {
     init();
     test_main();
diff --git a/src/main.rs b/src/main.rs
index 1c974898..376830cd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,7 +7,7 @@
 use blog_os::println;
 use core::panic::PanicInfo;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn _start() -> ! {
     println!("Hello World{}", "!");