diff --git a/Cargo.lock b/Cargo.lock
index 1d3fbacd62e..1189a8072d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9121,9 +9121,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.50"
+version = "1.0.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
+checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/pallets/parachain-system/proc-macro/Cargo.toml b/pallets/parachain-system/proc-macro/Cargo.toml
index 995243578bd..952fde32d86 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 = "1.0.109"
-proc-macro2 = "1.0.50"
+proc-macro2 = "1.0.52"
 quote = "1.0.23"
 proc-macro-crate = "1.3.1"