diff --git a/Cargo.lock b/Cargo.lock
index b3f0074d..5e099282 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5630,7 +5630,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b7cafe60d6cf8e62e1b9b2ea516a089c008945bb5a275416789e7db0bc199dc"
 dependencies = [
  "memchr",
- "thiserror 2.0.4",
+ "thiserror 2.0.6",
  "ucd-trie",
 ]
 
@@ -9157,7 +9157,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sqnc-runtime-types",
- "thiserror 1.0.69",
+ "thiserror 2.0.6",
 ]
 
 [[package]]
@@ -9626,11 +9626,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.4"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+checksum = "8fec2a1820ebd077e2b90c4df007bebf344cd394098a13c563957d0afc83ea47"
 dependencies = [
- "thiserror-impl 2.0.4",
+ "thiserror-impl 2.0.6",
 ]
 
 [[package]]
@@ -9646,9 +9646,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.4"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+checksum = "d65750cab40f4ff1929fb1ba509e9914eb756131cef4210da8d5d700d26f6312"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index c79e57da..da474418 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ log = { version = "0.4.22", default-features = false }
 #################################################################
 jsonrpsee = { version = "0.24.3" }
 scale-info = { version = "2.11.6", default-features = false }
-parity-scale-codec = { version = "3.7.0", default-features = false }
+parity-scale-codec = { version = "3.6.12", default-features = false }
 
 ###################################
 # substrate dependencies from git #