diff --git a/Cargo.lock b/Cargo.lock
index 34cf622d9..1c147503b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -463,9 +463,9 @@ dependencies = [
 
 [[package]]
 name = "idna"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de910d521f7cc3135c4de8db1cb910e0b5ed1dc6f57c381cd07e8e661ce10094"
+checksum = "89829a5d69c23d348314a7ac337fe39173b61149a9864deabd260983aed48c21"
 dependencies = [
  "matches",
  "unicode-bidi",