diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 2920c43e8f..f492931ae3 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -8460,9 +8460,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.44"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bd7356a8122b6c4a24a82b278680c73357984ca2fc79a0f9fa6dea7dced7c58"
+checksum = "94e2ef8dbfc347b10c094890f778ee2e36ca9bb4262e86dc99cd217e35f3470b"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
index 2c85c8e997..6e9141fdd0 100644
--- a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
+++ b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
@@ -10,7 +10,7 @@ proc-macro = true
 
 [dependencies]
 syn = "1.0.101"
-proc-macro2 = "1.0.44"
+proc-macro2 = "1.0.46"
 quote = "1.0.21"
 proc-macro-crate = "1.2.1"