diff --git a/Cargo.lock b/Cargo.lock
index cb831944..eecdad16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -472,7 +472,7 @@ dependencies = [
  "prost",
  "quote",
  "serde",
- "syn 2.0.52",
+ "syn 2.0.65",
  "trybuild",
 ]
 
@@ -941,7 +941,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a41cf62165e97c7f814d2221421dbb9afcbcdb0a88068e5ea206e19951c2cbb5"
 dependencies = [
  "proc-macro2",
- "syn 2.0.52",
+ "syn 2.0.65",
 ]
 
 [[package]]
@@ -980,7 +980,7 @@ dependencies = [
  "prost",
  "prost-types",
  "regex",
- "syn 2.0.52",
+ "syn 2.0.65",
  "tempfile",
  "which",
 ]
@@ -995,7 +995,7 @@ dependencies = [
  "itertools 0.11.0",
  "proc-macro2",
  "quote",
- "syn 2.0.52",
+ "syn 2.0.65",
 ]
 
 [[package]]
@@ -1022,7 +1022,7 @@ dependencies = [
  "prost-types",
  "quote",
  "regex",
- "syn 2.0.52",
+ "syn 2.0.65",
  "walkdir",
 ]
 
@@ -1232,7 +1232,7 @@ checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.52",
+ "syn 2.0.65",
 ]
 
 [[package]]
@@ -1317,7 +1317,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn 2.0.52",
+ "syn 2.0.65",
 ]
 
 [[package]]
@@ -1339,9 +1339,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.52"
+version = "2.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
+checksum = "d2863d96a84c6439701d7a38f9de935ec562c8832cc55d1dde0f513b52fad106"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1398,7 +1398,7 @@ checksum = "d1cd413b5d558b4c5bf3680e324a6fa5014e7b7c067a51e69dbdf47eb7148b66"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.52",
+ "syn 2.0.65",
 ]
 
 [[package]]
diff --git a/packages/proto-build/Cargo.toml b/packages/proto-build/Cargo.toml
index 6f9c4ae1..2d9670a9 100644
--- a/packages/proto-build/Cargo.toml
+++ b/packages/proto-build/Cargo.toml
@@ -15,6 +15,6 @@ prost-build = "0.12.3"
 prost-types = "0.12.3"
 quote = "1.0.33"
 regex = "1"
-syn = {version = "2.0.52", features = ["full", "parsing", "extra-traits"]}
+syn = {version = "2.0.65", features = ["full", "parsing", "extra-traits"]}
 walkdir = "2"
 proc-macro2 = "1.0.82"
diff --git a/packages/std-derive/Cargo.toml b/packages/std-derive/Cargo.toml
index d7d90b98..b6cba27e 100644
--- a/packages/std-derive/Cargo.toml
+++ b/packages/std-derive/Cargo.toml
@@ -14,7 +14,7 @@ proc-macro = true
 itertools = "0.12.1"
 proc-macro2 = "1.0.82"
 quote = "1.0.33"
-syn = "2.0.52"
+syn = "2.0.65"
 
 [dev-dependencies]
 cosmwasm-std = {version = "1.5.4", features = ["stargate"]}