diff --git a/Cargo.lock b/Cargo.lock
index 3ba7edafbda1c..296d364bbec98 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11031,9 +11031,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.6.4"
+version = "3.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8e946cc0cc711189c0b0249fb8b599cbeeab9784d83c415719368bb8d4ac64"
+checksum = "f88eaac72ead1b9bd4ce747d577dbd2ad31fb0a56a9a20c611bf27bd1b97fbed"
 dependencies = [
  "arrayvec 0.7.4",
  "bitvec",
@@ -11046,9 +11046,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "3.6.4"
+version = "3.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a296c3079b5fefbc499e1de58dc26c09b1b9a5952d26694ee89f04a43ebbb3e"
+checksum = "33bdcd446e9400b6ad9fc85b4aea68846c258b07c3efb994679ae82707b133f0"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",