diff --git a/Cargo.lock b/Cargo.lock
index 87b953f..58a9923 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1282,9 +1282,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.89"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea297be220d52398dcc07ce15a209fce436d361735ac1db700cab3b6cdfb9f54"
+checksum = "b683b2b825c8eef438b77c36a06dc262294da3d5a5813fac20da149241dcd44d"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/sundial-derives/Cargo.toml b/sundial-derives/Cargo.toml
index ef14bd5..7da91cb 100644
--- a/sundial-derives/Cargo.toml
+++ b/sundial-derives/Cargo.toml
@@ -13,7 +13,7 @@ keywords = ["solana", "anchor", "defi", "port"]
 [lib]
 proc-macro = true
 [dependencies]
-syn = {version = "1.0.89", features = ["full"]}
+syn = {version = "1.0.91", features = ["full"]}
 quote = "1.0.16"
 
 proc-macro2 = "1.0.32"
\ No newline at end of file