diff --git a/Cargo.toml b/Cargo.toml
index 559286fb..90c6dd0f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ multiboot = "0.8"
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
 uart_16550 = "0.2"
-x86_64 = { version = "0.14", default-features = false }
+x86_64 = { version = "0.14", default-features = false, features = ["instructions"] }
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 align-data = "0.1"