diff --git a/crates/decay_si_derive/Cargo.lock b/crates/decay_si_derive/Cargo.lock
index 8e739bb..23e6f7c 100644
--- a/crates/decay_si_derive/Cargo.lock
+++ b/crates/decay_si_derive/Cargo.lock
@@ -11,7 +11,7 @@ dependencies = [
  "quote",
  "strum",
  "strum_macros",
- "syn 2.0.16",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -46,18 +46,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
 dependencies = [
  "proc-macro2",
 ]
@@ -100,9 +100,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.16"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
+checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/decay_si_derive/Cargo.toml b/crates/decay_si_derive/Cargo.toml
index 4599051..ca5085f 100644
--- a/crates/decay_si_derive/Cargo.toml
+++ b/crates/decay_si_derive/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-syn = "2.0.16"
+syn = "2.0.18"
 quote = "1.0"
 strum = "0.24"
 strum_macros = "0.24"