diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index b7a9d23311..c7ea9185d4 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -10287,9 +10287,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.74"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
+checksum = "b7f58f7e8eaa0009c5fec437aabf511bd9933e4b2d7407bd05273c01a8906ea7"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/polkadot/node/overseer/all-subsystems-gen/Cargo.toml b/polkadot/node/overseer/all-subsystems-gen/Cargo.toml
index 7ad163d3f9..44efb36a56 100644
--- a/polkadot/node/overseer/all-subsystems-gen/Cargo.toml
+++ b/polkadot/node/overseer/all-subsystems-gen/Cargo.toml
@@ -9,7 +9,7 @@ description = "Small proc macro to create mocking level iface type helpers"
 proc-macro = true
 
 [dependencies]
-syn = { version = "1.0.60", features = ["full", "extra-traits"] }
+syn = { version = "1.0.75", features = ["full", "extra-traits"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.24"
 
diff --git a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
index 7098ee261d..89a876ce11 100644
--- a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
+++ b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
@@ -12,7 +12,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 proc-macro = true
 
 [dependencies]
-syn = { version = "1.0.60", features = ["full", "extra-traits"] }
+syn = { version = "1.0.75", features = ["full", "extra-traits"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.26"
 proc-macro-crate = "1.0.0"
diff --git a/polkadot/xcm/procedural/Cargo.toml b/polkadot/xcm/procedural/Cargo.toml
index 914efad452..5c52b5b14f 100644
--- a/polkadot/xcm/procedural/Cargo.toml
+++ b/polkadot/xcm/procedural/Cargo.toml
@@ -10,4 +10,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0.28"
 quote = "1.0.9"
-syn = "1.0.74"
+syn = "1.0.75"