diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 981d77350..f577fa4cd 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -468,9 +468,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.40"
+version = "1.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+checksum = "c278e965f1d8cf32d6e0e96de3d3e79712178ae67986d9cf9151f51e95aac89b"
 dependencies = [
  "unicode-ident",
 ]