diff --git a/Cargo.lock b/Cargo.lock
index fab5c92..2c6ec08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -194,9 +194,9 @@ checksum = "12cc1b0bf1727a77a54b6654e7b5f1af8604923edc8b81885f8ec92f9e3f0a05"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.66"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
+checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
 dependencies = [
  "unicode-ident",
 ]