That camera requires at least Lightroom 5 .4. However, Adobe no longer sells Lightroom 5. You can purchase an upgrade version of Lightroom 6 from the following website:
It will not upgrade your Lightroom 4 program, but will install a whole new version. Following the installation, when you run the new version it will create an upgraded copy of your catalog.
On the website, scroll down until you find Lightroom. Indicate that you want to purchase an upgrade, and identify the version that you have. Then the price will change to the upgrade price.
Thank you for your quick response JimHess,
I find just the cc version or the Lightroom 6 version, but no upgrade link
Unfortunately for you, I don't read French. However, on the link that I provided, one of the options that you can change is that you want an upgrade version. After you make that choice and indicate the version that you have now, then the price will change to the upgrade price. That's how it is in America. As far as I know, it should be the same for you. The first thing you have to do is click on the Buy button. Then you will be able to indicate that you want to purchase an upgrade.
Yeaaaah ! It worked, thank you for your help