diff --git a/Cargo.lock b/Cargo.lock
index 9ec6438eb..12ab13822 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1028,9 +1028,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.71"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+checksum = "2dd5e8a1f1029c43224ad5898e50140c2aebb1705f19e67c918ebf5b9e797fe1"
 dependencies = [
  "unicode-ident",
 ]