# Upgrading

This section describes how to upgrade the SDK to the latest version. There are 2 components to upgrade:

1. The frontend React Component: The Widget
2. The backend API: The Transaction Backend

Generally speaking, the Widget and Backend should have the same major and minor versions- i.e. 1.4.x and 1.4.x. See the specific instructions for the version you are upgrading to. If you are upgrading more than one minor version at a time, see the instructions for each minor version for the extra steps.


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```
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