diff --git a/Cargo.lock b/Cargo.lock
index 4593c6fa39..e233f7779d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2100,15 +2100,15 @@ dependencies = [
 
 [[package]]
 name = "expander"
-version = "1.0.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f360349150728553f92e4c997a16af8915f418d3a0f21b440d34c5632f16ed84"
+checksum = "5f86a749cf851891866c10515ef6c299b5c69661465e9c3bbe7e07a2b77fb0f7"
 dependencies = [
  "blake2",
  "fs-err",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.14",
 ]
 
 [[package]]
diff --git a/primitives/api/proc-macro/Cargo.toml b/primitives/api/proc-macro/Cargo.toml
index 594c20e82c..ba163a5256 100644
--- a/primitives/api/proc-macro/Cargo.toml
+++ b/primitives/api/proc-macro/Cargo.toml
@@ -21,7 +21,7 @@ syn = { version = "2.0.14", features = ["full", "fold", "extra-traits", "visit"]
 proc-macro2 = "1.0.56"
 blake2 = { version = "0.10.4", default-features = false }
 proc-macro-crate = "1.1.3"
-expander = "1.0.0"
+expander = "2.0.0"
 Inflector = "0.11.4"
 
 [dev-dependencies]