diff --git a/build.gradle.kts b/build.gradle.kts
index 1ff0e0a3..835601bf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -71,6 +71,10 @@ subprojects {
     }
     // Configure CDS in auto-mode to prevent bootstrap classpath warnings
     jvmArgs("-Xshare:auto", "-Djdk.instrument.traceUsage=false")
+    // Suppress Netty sun.misc.Unsafe warnings (transitiv via Spring Boot / Kafka)
+    jvmArgs("--add-opens=java.base/java.nio=ALL-UNNAMED")
+    // Suppress ByteBuddy/Mockito dynamic agent loading warnings (Java 21+)
+    jvmArgs("-XX:+EnableDynamicAgentLoading")
     // Increase test JVM memory with a stable configuration
     minHeapSize = "512m"
     maxHeapSize = "2g"
@@ -124,6 +128,8 @@ subprojects {
       shouldRunAfter("test")
       // Keep the same JVM settings for consistency
       jvmArgs("-Xshare:auto", "-Djdk.instrument.traceUsage=false")
+      jvmArgs("--add-opens=java.base/java.nio=ALL-UNNAMED")
+      jvmArgs("-XX:+EnableDynamicAgentLoading")
       maxHeapSize = "2g"
       dependsOn("testClasses")
     }