diff --git a/Cargo.lock b/Cargo.lock
index c58e409..77982cb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,6 +81,12 @@ dependencies = [
  "cpuio",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -113,11 +119,12 @@ dependencies = [
 
 [[package]]
 name = "uart_16550"
-version = "0.2.16"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af81448a9a53c7b0f66198381f80912fd18f2c8965f9da4319e6f92e740bca5b"
+checksum = "b074eb9300ad949edd74c529c0e8d451625af71bb948e6b65fe69f72dc1363d9"
 dependencies = [
  "bitflags",
+ "rustversion",
  "x86_64",
 ]
 
@@ -129,11 +136,12 @@ checksum = "e4c2dbd44eb8b53973357e6e207e370f0c1059990df850aca1eca8947cf464f0"
 
 [[package]]
 name = "x86_64"
-version = "0.14.7"
+version = "0.14.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb611915c917c6296d11e23f71ff1ecfe49c5766daba92cd3df52df6b58285b6"
+checksum = "958cd5cb28e720db2f59ee9dc4235b5f82a183d079fb0e6caf43ad074cfdc66a"
 dependencies = [
  "bit_field",
  "bitflags",
+ "rustversion",
  "volatile",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index affd93f..07451f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ linked_list_allocator = "0.9.1"
 pc-keyboard = "0.5.1"
 pic8259_simple = "0.2.0"
 spin = "0.9.2"
-uart_16550 = "0.2.16"
+uart_16550 = "0.2.18"
 volatile = "0.4.4"
 x86_64 = "0.14.7"