diff --git a/Cargo.lock b/Cargo.lock
index 014d09c5a9..b6664da478 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2995,9 +2995,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 8d5d8e7c5b..ad47932caf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -75,7 +75,7 @@ jsonrpsee = { version = "0.21" }
 pretty_assertions = "1.4.0"
 primitive-types = { version = "0.12.2", default-features = false, features = ["codec", "scale-info", "serde"] }
 proc-macro-error = "1.0.4"
-proc-macro2 = "1.0.70"
+proc-macro2 = "1.0.78"
 quote = "1.0.35"
 regex = "1.10.2"
 scale-info = "2.10.0"