diff --git a/Cargo.lock b/Cargo.lock
index 7c56213e..b27224a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -404,9 +404,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.71"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+checksum = "2dd5e8a1f1029c43224ad5898e50140c2aebb1705f19e67c918ebf5b9e797fe1"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/serde-sarif/Cargo.toml b/serde-sarif/Cargo.toml
index af56ee5d..ed986fa6 100644
--- a/serde-sarif/Cargo.toml
+++ b/serde-sarif/Cargo.toml
@@ -40,7 +40,7 @@ version-sync = "0.9"
 [build-dependencies]
 anyhow = "1.0.77"
 prettyplease = "0.2.15"
-proc-macro2 = "1.0.71"
+proc-macro2 = "1.0.73"
 quote = "1.0.33"
 schemafy_lib = "0.6.0"
 serde_json = "1.0.108"