diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 78c591f3ac..c587e94c8f 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -8444,10 +8444,11 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-crate"
-version = "1.1.3"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e17d47ce914bf4de440332250b0edd23ce48c005f59fab39d3335866b114f11a"
+checksum = "eda0fc3b0fb7c975631757e14d9049da17374063edb6ebbcbc54d880d4fe94e9"
 dependencies = [
+ "once_cell",
  "thiserror",
  "toml",
 ]
diff --git a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
index 4dc06cfe18..55d1696bd5 100644
--- a/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
+++ b/cumulus/pallets/parachain-system/proc-macro/Cargo.toml
@@ -12,7 +12,7 @@ proc-macro = true
 syn = "1.0.99"
 proc-macro2 = "1.0.42"
 quote = "1.0.21"
-proc-macro-crate = "1.1.3"
+proc-macro-crate = "1.2.1"
 
 [features]
 default = [ "std" ]