diff --git a/Cargo.lock b/Cargo.lock
index 4f57a1b..4d41c75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -469,9 +469,9 @@ dependencies = [
 
 [[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",
 ]