diff --git a/Cargo.lock b/Cargo.lock
index 659cf4e3..dee0ad96 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -672,9 +672,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.70"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+checksum = "2dd5e8a1f1029c43224ad5898e50140c2aebb1705f19e67c918ebf5b9e797fe1"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 12d2cd6a..ad89a245 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -13,7 +13,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.98", features = ["full", "visit"] }
 quote = "1.0.33"
-proc-macro2 = "1.0.70"
+proc-macro2 = "1.0.73"
 proc-macro-crate = "2.0.1"
 
 [dev-dependencies]