diff --git a/Cargo.lock b/Cargo.lock
index 63f5731..866a9e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2069,9 +2069,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.53"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
+checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
 dependencies = [
  "unicode-ident",
 ]