diff --git a/Cargo.lock b/Cargo.lock
index 330df2ad..b2bfcabf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -242,9 +242,9 @@ dependencies = [
 
 [[package]]
 name = "hmac"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b87b580bd66811cc2324a27f3587de707cacf7525b96dca8122f7493e6cce0da"
+checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
 dependencies = [
  "crypto-mac",
  "digest",