diff --git a/Cargo.lock b/Cargo.lock
index c63424b32..74cbac877 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1114,7 +1114,7 @@ dependencies = [
  "serde_json",
  "serde_repr",
  "serde_urlencoded",
- "thiserror 2.0.3",
+ "thiserror 2.0.4",
  "tokio",
  "tokio-util",
  "tower-service",
@@ -1626,7 +1626,7 @@ dependencies = [
  "semver 1.0.23",
  "serde",
  "serde_json",
- "thiserror 2.0.3",
+ "thiserror 2.0.4",
 ]
 
 [[package]]
@@ -2032,7 +2032,7 @@ dependencies = [
  "sp-core 32.0.0",
  "sp-keyring 35.0.0",
  "strsim 0.11.1",
- "thiserror 2.0.3",
+ "thiserror 2.0.4",
  "tracing",
 ]
 
@@ -12196,11 +12196,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.3"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
+checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
 dependencies = [
- "thiserror-impl 2.0.3",
+ "thiserror-impl 2.0.4",
 ]
 
 [[package]]
@@ -12216,9 +12216,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.3"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
+checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -13843,7 +13843,7 @@ dependencies = [
  "displaydoc",
  "indexmap 2.6.0",
  "memchr",
- "thiserror 2.0.3",
+ "thiserror 2.0.4",
 ]
 
 [[package]]
diff --git a/crates/transcode/Cargo.toml b/crates/transcode/Cargo.toml
index 9d90c0e71..846b83e21 100644
--- a/crates/transcode/Cargo.toml
+++ b/crates/transcode/Cargo.toml
@@ -35,7 +35,7 @@ scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive
 scale-info = { version = "2.11.6", default-features = false, features = ["derive"] }
 serde = { version = "1.0.202", default-features = false, features = ["derive"] }
 serde_json = "1.0.133"
-thiserror = "2.0.3"
+thiserror = "2.0.4"
 strsim = "0.11.1"
 
 [dev-dependencies]