diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 2a216925f1..13583cdcbe 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -7393,9 +7393,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.33"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb37d2df5df740e582f28f8560cf425f52bb267d872fe58358eadb554909f07a"
+checksum = "2f84e92c0f7c9d58328b85a78557813e4bd845130db68d7184635344399423b1"
 dependencies = [
  "unicode-xid",
 ]
diff --git a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
index 101273f66f..ec21b2af58 100644
--- a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
+++ b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
@@ -14,7 +14,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.82", features = ["full", "extra-traits"] }
 quote = "1.0.10"
-proc-macro2 = "1.0.33"
+proc-macro2 = "1.0.34"
 proc-macro-crate = "1.1.0"
 
 [dev-dependencies]
diff --git a/polkadot/xcm/procedural/Cargo.toml b/polkadot/xcm/procedural/Cargo.toml
index 2e019a4d5a..1409cc9ba1 100644
--- a/polkadot/xcm/procedural/Cargo.toml
+++ b/polkadot/xcm/procedural/Cargo.toml
@@ -8,6 +8,6 @@ edition = "2018"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.33"
+proc-macro2 = "1.0.34"
 quote = "1.0.10"
 syn = "1.0.82"