diff --git a/Cargo.lock b/Cargo.lock
index 79425d7771..cdae71ebec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2837,9 +2837,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.67"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
+checksum = "5b1106fec09662ec6dd98ccac0f81cef56984d0b49f75c92d8cbad76e20c005c"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index db3d3bcad0..1b0a36f347 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,7 +60,7 @@ jsonrpsee = { version = "0.20" }
 pretty_assertions = "1.4.0"
 primitive-types = { version = "0.12.1", default-features = false, features = ["codec", "scale-info", "serde"] }
 proc-macro-error = "1.0.4"
-proc-macro2 = "1.0.67"
+proc-macro2 = "1.0.68"
 quote = "1.0.33"
 regex = "1.9.6"
 scale-info = "2.9.0"