diff --git a/Cargo.lock b/Cargo.lock
index 217dd1f..13fee21 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -518,18 +518,18 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "thiserror"
-version = "2.0.0"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15291287e9bff1bc6f9ff3409ed9af665bec7a5fc8ac079ea96be07bca0e2668"
+checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.0"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22efd00f33f93fa62848a7cab956c3d38c8d43095efda1decfc2b3a5dc0b8972"
+checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 0b1c1ff..3a3ba18 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ scale-bits = "0.7.0"
 scale-info = { version = "2.11.1", features = ["derive", "bit-vec", "decode", "docs", "serde"] }
 smallvec = "1.10.0"
 syn = { version = "2.0.38", features = ["full", "extra-traits"] }
-thiserror = { version = "2.0.0", default-features = false }
+thiserror = { version = "2.0.3", default-features = false }
 prettyplease = "0.2.25"
 scale-decode = "0.16.0"
 scale-encode = "0.10.0"