diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index a1b278d737..c550354860 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -8990,9 +8990,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
+checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
index e9d4fa8295..6510f62b3b 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 = "1.0.107"
-proc-macro2 = "1.0.49"
+proc-macro2 = "1.0.50"
 quote = "1.0.23"
 proc-macro-crate = "1.3.0"