diff --git a/Cargo.lock b/Cargo.lock
index c0b6c83..24b9dc7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1277,9 +1277,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.57"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4ec6d5fe0b140acb27c9a0444118cf55bfbb4e0b259739429abb4521dd67c16"
+checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
 dependencies = [
  "unicode-ident",
 ]