diff --git a/Cargo.lock b/Cargo.lock
index d4a98807fcf..0a5146faafb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8620,9 +8620,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.46"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94e2ef8dbfc347b10c094890f778ee2e36ca9bb4262e86dc99cd217e35f3470b"
+checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/pallets/parachain-system/proc-macro/Cargo.toml b/pallets/parachain-system/proc-macro/Cargo.toml
index 0bedb8660ee..0620702e427 100644
--- a/pallets/parachain-system/proc-macro/Cargo.toml
+++ b/pallets/parachain-system/proc-macro/Cargo.toml
@@ -10,7 +10,7 @@ proc-macro = true
 
 [dependencies]
 syn = "1.0.102"
-proc-macro2 = "1.0.46"
+proc-macro2 = "1.0.47"
 quote = "1.0.21"
 proc-macro-crate = "1.2.1"