diff --git a/packages/caravan-wallets/src/trezor.ts b/packages/caravan-wallets/src/trezor.ts
index e673ab07..2c876989 100644
--- a/packages/caravan-wallets/src/trezor.ts
+++ b/packages/caravan-wallets/src/trezor.ts
@@ -130,7 +130,9 @@ const TREZOR_DEV =
 
 try {
   TrezorConnect.init({
-    connectSrc: TREZOR_DEV ? TREZOR_CONNECT_URL : undefined,
+    connectSrc: TREZOR_DEV
+      ? TREZOR_CONNECT_URL
+      : "https://connect.trezor.io/9.4.7/", // pinning to this connect version to avoid backwards incompatible changes
     coreMode: "auto", // default value still required to enable WebUSB support
     lazyLoad: true, // this param prevents iframe injection until a TrezorConnect.method is called
     manifest: {