diff --git a/Dockerfile b/Dockerfile
index 581597ba7ac..a417006072e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG UBUNTU_VERSION=20.04
+ARG UBUNTU_VERSION=22.04
 
 FROM ubuntu:${UBUNTU_VERSION} AS ubuntu-nodejs
 ARG NODEJS_MAJOR_VERSION=18
diff --git a/packages/hardware-ledger/src/LedgerKeyAgent.ts b/packages/hardware-ledger/src/LedgerKeyAgent.ts
index 125b6c2bf51..3678ab781aa 100644
--- a/packages/hardware-ledger/src/LedgerKeyAgent.ts
+++ b/packages/hardware-ledger/src/LedgerKeyAgent.ts
@@ -67,7 +67,7 @@ const LedgerConnection = (_LedgerConnection as any).default
   : _LedgerConnection;
 type LedgerConnection = _LedgerConnection;
 
-const CIP08_SIGN_HASH_THRESHOLD = 100;
+const CIP08_SIGN_HASH_THRESHOLD = 190;
 
 const isUsbDevice = (device: any): device is USBDevice =>
   typeof USBDevice !== 'undefined' && device instanceof USBDevice;