# internal\_version

#### internal\_version

The site's internal version of the created hand history.

{% hint style="danger" %}
Any modification to the generated hand history should increment the version.  Even minor bug fixes!
{% endhint %}

**Type:** string

**Format:** [version\_string](https://hh-specs.handhistory.org/string-formats/less-than-version_obj-greater-than)

**Example:**

```javascript
"internal_version": "1.0.5"
```

{% hint style="info" %}
It is recommended but not required to increment the major and minor versions of the internal\_version to match the spec\_version and bug fixes increment the patch number.
{% endhint %}