diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 02c04dfc4c..86482be622 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -7844,9 +7844,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.39"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
+checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/polkadot/node/gum/proc-macro/Cargo.toml b/polkadot/node/gum/proc-macro/Cargo.toml
index 8da44e5fda..14b65c454d 100644
--- a/polkadot/node/gum/proc-macro/Cargo.toml
+++ b/polkadot/node/gum/proc-macro/Cargo.toml
@@ -14,7 +14,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.95", features = ["full", "extra-traits"] }
 quote = "1.0.19"
-proc-macro2 = "1.0.37"
+proc-macro2 = "1.0.40"
 proc-macro-crate = "1.1.3"
 expander = "0.0.6"
 
diff --git a/polkadot/node/orchestra/proc-macro/Cargo.toml b/polkadot/node/orchestra/proc-macro/Cargo.toml
index 71a2c76cf8..09a5cbb838 100644
--- a/polkadot/node/orchestra/proc-macro/Cargo.toml
+++ b/polkadot/node/orchestra/proc-macro/Cargo.toml
@@ -16,7 +16,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.95", features = ["full", "extra-traits"] }
 quote = "1.0.19"
-proc-macro2 = "1.0.37"
+proc-macro2 = "1.0.40"
 proc-macro-crate = "1.1.3"
 expander = { version = "0.0.6", default-features = false }
 petgraph = "0.6.0"
diff --git a/polkadot/xcm/procedural/Cargo.toml b/polkadot/xcm/procedural/Cargo.toml
index 4443fa7134..2efd80f2de 100644
--- a/polkadot/xcm/procedural/Cargo.toml
+++ b/polkadot/xcm/procedural/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.37"
+proc-macro2 = "1.0.40"
 quote = "1.0.19"
 syn = "1.0.95"
 Inflector = "0.11.4"