diff --git a/Cargo.lock b/Cargo.lock
index 3089407..2a61bb1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -174,11 +174,11 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.29"
+version = "1.0.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f5105d4fdaab20335ca9565e106a5d9b82b6219b5ba735731124ac6711d23d"
+checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -318,6 +318,12 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"