diff --git a/Cargo.lock b/Cargo.lock
index 19ab80e5..3824f950 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -404,9 +404,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/serde-sarif/Cargo.toml b/serde-sarif/Cargo.toml
index 6785b01c..7f3cae84 100644
--- a/serde-sarif/Cargo.toml
+++ b/serde-sarif/Cargo.toml
@@ -40,7 +40,7 @@ version-sync = "0.9"
 [build-dependencies]
 anyhow = "1.0.79"
 prettyplease = "0.2.16"
-proc-macro2 = "1.0.76"
+proc-macro2 = "1.0.78"
 quote = "1.0.34"
 schemafy_lib = "0.6.0"
 serde_json = "1.0.113"