diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 85a361e944..83cf774dae 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -427,7 +427,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -1223,7 +1223,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -2119,7 +2119,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -3764,7 +3764,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -9325,9 +9325,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.54"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e472a104799c74b514a57226160104aa483546de37e839ec50e3c2e41dd87534"
+checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
 dependencies = [
  "unicode-ident",
 ]
@@ -11589,7 +11589,7 @@ checksum = "4c614d17805b093df4b147b51339e7e44bf05ef59fba1e45d83500bcfb4d8585"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -13052,9 +13052,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.12"
+version = "2.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79d9531f94112cfc3e4c8f5f02cb2b58f72c97b7efd85f70203cc6d8efda5927"
+checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -13171,7 +13171,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -13342,7 +13342,7 @@ checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.12",
+ "syn 2.0.13",
 ]
 
 [[package]]
diff --git a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
index e42d076c77..170372eb2b 100644
--- a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
+++ b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
@@ -9,7 +9,7 @@ description = "Proc macros provided by the parachain-system pallet"
 proc-macro = true
 
 [dependencies]
-syn = "2.0.12"
+syn = "2.0.13"
 proc-macro2 = "1.0.54"
 quote = "1.0.26"
 proc-macro-crate = "1.3.1"