diff --git a/Cargo.lock b/Cargo.lock
index aff949505..628a9b561 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -965,9 +965,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.52"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
+checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
 dependencies = [
  "unicode-ident",
 ]