Use retrofit2 for binding development - Error: Missing requirement

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I am developing a binding and trying to use retrofit2. I added the dependency in my pom.xml:

<!-- https://mvnrepository.com/artifact/com.squareup.retrofit2/retrofit -->
  <dependencies>
    <dependency>
        <groupId>com.squareup.retrofit2</groupId>
        <artifactId>retrofit</artifactId>
        <version>2.7.0</version>
    </dependency>
  </dependencies>

Additionally, I added this line to my feature.xml:

<bundle dependency="true">wrap:mvn:com.squareup.retrofit2/retrofit/2.7.0</bundle>

When i compile my bundle i get the following error:

[…] caused by: Unable to resolve org.openhab.binding.connctd/2.5.0.201912131448: missing requirement [org.openhab.binding.connctd/2.5.0.201912131448] osgi.wiring.package; filter:="(osgi.wiring.package=android.os)

Do I need to add more dependencies or is retrofit2 not compatible with openHAB/OSGi (On the maven page it lists android as optional)? I found this GitHub Page which seems to address the problem but I do not understand the content.

Any help is appreciated.

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