diff --git a/Cargo.lock b/Cargo.lock
index 1cf9a41f..7309ca84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1027,9 +1027,9 @@ checksum = "94e851c7654eed9e68d7d27164c454961a616cf8c203d500607ef22c737b51bb"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.79"
+version = "1.0.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
+checksum = "ec96c6a92621310b51366f1e28d05ef11489516e93be030060e5fc12024a49d6"
 dependencies = [
  "unicode-ident",
 ]