diff --git a/Cargo.lock b/Cargo.lock
index 7fbc7dd6c9c..9adaf21e6c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10761,9 +10761,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "78803b62cbf1f46fde80d7c0e803111524b9877184cfe7c3033659490ac7a7da"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/pallets/parachain-system/proc-macro/Cargo.toml b/pallets/parachain-system/proc-macro/Cargo.toml
index acf2d9808e4..3ae7c7e8bae 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 = "2.0.23"
-proc-macro2 = "1.0.63"
+proc-macro2 = "1.0.64"
 quote = "1.0.29"
 proc-macro-crate = "1.3.1"