diff --git a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
index eb8ea5487a..7ac06a1b6e 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 = "1.0.94"
-proc-macro2 = "1.0.38"
+proc-macro2 = "1.0.39"
 quote = "1.0.18"
 proc-macro-crate = "1.1.3"