diff --git a/Cargo.lock b/Cargo.lock
index e43baf80..084f150c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -268,7 +268,7 @@ dependencies = [
  "raw-cpuid",
  "sha2",
  "smoltcp",
- "spin 0.9.3",
+ "spin 0.9.4",
  "time",
  "uart_16550",
  "vte",
@@ -498,9 +498,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "spin"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c530c2b0d0bf8b69304b39fe2001993e267461948b890cd037d8ad4293fa1a0d"
+checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
 dependencies = [
  "lock_api",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 22aab9c1..b1faa669 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ rand_hc = "0.3.1"
 raw-cpuid = "10.3.0"
 sha2 = { version = "0.10.2", default-features = false, features = ["force-soft"] }
 smoltcp = { version = "0.8.1", default-features = false, features = ["alloc", "medium-ethernet", "socket-tcp", "socket-udp", "socket-dhcpv4", "proto-ipv4", "proto-dhcpv4"] }
-spin = "0.9.3"
+spin = "0.9.4"
 time = { version = "0.2.27", default-features = false }
 uart_16550 = "0.2.18"
 vte = "0.11.0"