diff --git a/ts3-client/core/pom.xml b/ts3-client/core/pom.xml
index 724bef6..5d2d22a 100644
--- a/ts3-client/core/pom.xml
+++ b/ts3-client/core/pom.xml
@@ -14,6 +14,11 @@
     <name>TS3J Client Core</name>
     <description>Frontend-agnostic library: protocol integration, model, audio abstractions</description>
 
+    <properties>
+        <!-- Android runs core too, and it only knows Java 17. -->
+        <maven.compiler.release>17</maven.compiler.release>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>com.github.manevolent</groupId>