diff --git a/tools/helios-build/Cargo.lock b/tools/helios-build/Cargo.lock
index 9c92f2e..a667d3c 100644
--- a/tools/helios-build/Cargo.lock
+++ b/tools/helios-build/Cargo.lock
@@ -874,9 +874,9 @@ checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.53"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
+checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
 dependencies = [
  "unicode-ident",
 ]