diff --git a/Cargo.lock b/Cargo.lock
index 2408a54..23f628b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,9 +54,9 @@ checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "9695f8df41bb4f3d222c95a67532365f569318332d03d5f3f67f37b20e6ebdf0"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/impl/Cargo.toml b/impl/Cargo.toml
index b5d64a8..f73edde 100644
--- a/impl/Cargo.toml
+++ b/impl/Cargo.toml
@@ -30,7 +30,7 @@ expect_used = "warn"
 panic = "warn"
 
 [dependencies]
-proc-macro2 = "1.0.103"
+proc-macro2 = "1.0.104"
 quote = "1.0.42"
 regex = "1.12.2"
 syn = { version = "2.0.112", features = [] }