diff --git a/Cargo.lock b/Cargo.lock
index d6d78a6..c4f0f2c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1299,9 +1299,9 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.34"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f84e92c0f7c9d58328b85a78557813e4bd845130db68d7184635344399423b1"
+checksum = "392a54546fda6b7cc663379d0e6ce8b324cf88aecc5a499838e1be9781bdce2e"
 dependencies = [
  "unicode-xid",
 ]