diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 72f3e8a901b599aa74f44c04e685b833366efedd..08c571daf639cf9b8c5ebd75ca01ae6bfd6ce11d 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1869,9 +1869,9 @@ dependencies = [
 
 [[package]]
 name = "expander"
-version = "0.0.5"
+version = "0.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "309f21c39e8e38e4b6eda07e155bd7a4e5fc4d707cefd0402cc82a8b6bb65aaa"
+checksum = "3774182a5df13c3d1690311ad32fbe913feef26baba609fa2dd5f72042bd2ab6"
 dependencies = [
  "blake2 0.10.2",
  "fs-err",
@@ -7071,7 +7071,7 @@ name = "polkadot-overseer-gen-proc-macro"
 version = "0.9.18"
 dependencies = [
  "assert_matches",
- "expander 0.0.5",
+ "expander 0.0.6",
  "proc-macro-crate 1.1.3",
  "proc-macro2",
  "quote",
diff --git a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
index b4386528dc8ff75c83cc2f329541bcd5c37eb1e5..cbcec595954a66a166570cbff3a997006d2741d2 100644
--- a/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
+++ b/polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml
@@ -16,7 +16,7 @@ syn = { version = "1.0.86", features = ["full", "extra-traits"] }
 quote = "1.0.15"
 proc-macro2 = "1.0.36"
 proc-macro-crate = "1.1.3"
-expander = { version = "0.0.5", default-features = false }
+expander = { version = "0.0.6", default-features = false }
 
 [dev-dependencies]
 assert_matches = "1.5.0"