diff --git a/Cargo.toml b/Cargo.toml
index 96cc9460..256ae03f 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"
 
 [dependencies]
 bootloader = "0.9"
diff --git a/src/main.rs b/src/main.rs
index 0f0eac13..057ca6cd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,7 +5,7 @@ use core::panic::PanicInfo;
 
 static HELLO: &[u8] = b"Hello World!";
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn _start() -> ! {
     let vga_buffer = 0xb8000 as *mut u8;