diff --git a/Cargo.lock b/Cargo.lock
index 3a0ca145db4..d4afebfaaaa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1349,9 +1349,9 @@ dependencies = [
 
 [[package]]
 name = "casey"
-version = "0.3.3"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fabe85130dda9cf267715582ce6cf1ab581c8dfe3cb33f7065fee0f14e3fea14"
+checksum = "614586263949597dcc18675da12ef9b429135e13628d92eb8b8c6fa50ca5656b"
 dependencies = [
  "syn 1.0.109",
 ]
diff --git a/xcm/xcm-emulator/Cargo.toml b/xcm/xcm-emulator/Cargo.toml
index d64c64800c6..9f57a667da2 100644
--- a/xcm/xcm-emulator/Cargo.toml
+++ b/xcm/xcm-emulator/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 paste = "1.0.5"
 quote = "1.0.23"
-casey = "0.3.3"
+casey = "0.4.0"
 log = { version = "0.4.17", default-features = false }
 
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "master" }