diff --git a/Cargo.lock b/Cargo.lock
index 3810acc..405a03c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -907,9 +907,9 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "9f9b1511a24c627ab3e92b48be4b32f8d0ea91ee351edd87fbf650aadd336340"
 dependencies = [
  "unicode-ident",
 ]