diff --git a/Cargo.lock b/Cargo.lock
index 79eb6165e0..fd9eaf75eb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1533,9 +1533,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.70"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+checksum = "2dd5e8a1f1029c43224ad5898e50140c2aebb1705f19e67c918ebf5b9e797fe1"
 dependencies = [
  "unicode-ident",
 ]