diff --git a/Cargo.lock b/Cargo.lock
index 4bf29de4..68d268e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -396,9 +396,9 @@ dependencies = [
 
 [[package]]
 name = "poly1305"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a00baa632505d05512f48a963e16051c54fda9a95cc9acea1a4e3c90991c4a2e"
+checksum = "6e2d0073b297041425c7c3df6eb4792d598a15323fe63346852b092eca02904c"
 dependencies = [
  "cpufeatures",
  "universal-hash",