diff --git a/Cargo.lock b/Cargo.lock
index ea263e8..7be7c8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1180,9 +1180,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.52"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
+checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
 dependencies = [
  "unicode-ident",
 ]