diff --git a/Cargo.lock b/Cargo.lock
index 97e0653..362c955 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2397,7 +2397,7 @@ dependencies = [
 [[package]]
 name = "ic-bn-lib"
 version = "0.1.0"
-source = "git+https://github.com/dfinity/ic-bn-lib?rev=526d34d15cfbf369d8baf2dae9932aa18d570a1d#526d34d15cfbf369d8baf2dae9932aa18d570a1d"
+source = "git+https://github.com/dfinity/ic-bn-lib?rev=2496803db52d8182f578f098a3ffe4fcb9573fcd#2496803db52d8182f578f098a3ffe4fcb9573fcd"
 dependencies = [
  "ahash",
  "anyhow",
@@ -2445,7 +2445,7 @@ dependencies = [
  "strum_macros",
  "sync_wrapper 1.0.1",
  "systemstat",
- "thiserror 1.0.69",
+ "thiserror 2.0.3",
  "tokio",
  "tokio-io-timeout",
  "tokio-rustls 0.26.0",
diff --git a/Cargo.toml b/Cargo.toml
index 4bb9a3c..9150fff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ ic-agent = { version = "0.39.1", features = [
     "ring",
     "_internal_dynamic-routing",
 ] }
-ic-bn-lib = { git = "https://github.com/dfinity/ic-bn-lib", rev = "526d34d15cfbf369d8baf2dae9932aa18d570a1d" }
+ic-bn-lib = { git = "https://github.com/dfinity/ic-bn-lib", rev = "2496803db52d8182f578f098a3ffe4fcb9573fcd" }
 ic-http-gateway = { git = "https://github.com/dfinity/http-gateway", tag = "0.1.0-b3" }
 itertools = "0.13.0"
 lazy_static = "1.5.0"