diff --git a/modules/account/src/main/resources/application.properties b/modules/account/src/main/resources/application.properties
new file mode 100644
index 0000000..62c410b
--- /dev/null
+++ b/modules/account/src/main/resources/application.properties
@@ -0,0 +1,5 @@
+quarkus.native.additional-build-args=\
+--initialize-at-run-time=org.redisson,\
+--initialize-at-run-time=io.netty
+
+%native.quarkus.arc.exclude-types=org.redisson.*
\ No newline at end of file
diff --git a/modules/account/src/main/scala/de/nowchess/account/config/NativeReflectionConfig.scala b/modules/account/src/main/scala/de/nowchess/account/config/NativeReflectionConfig.scala
index d9ba14f..18814b9 100644
--- a/modules/account/src/main/scala/de/nowchess/account/config/NativeReflectionConfig.scala
+++ b/modules/account/src/main/scala/de/nowchess/account/config/NativeReflectionConfig.scala
@@ -40,13 +40,11 @@ import io.quarkus.runtime.annotations.RegisterForReflection
     classOf[DeclineRequest],
     classOf[ChallengeListDto],
     classOf[ErrorDto],
-    classOf[ChallengeStatus],
-    classOf[ChallengeColor],
-    classOf[DeclineReason],
     classOf[CorePlayerInfo],
     classOf[CoreTimeControl],
     classOf[CoreCreateGameRequest],
     classOf[CoreGameResponse],
+    classOf[OfficialChallengeResponse],
   ),
 )
 class NativeReflectionConfig
diff --git a/modules/account/src/main/scala/de/nowchess/account/config/RedissonProducer.scala b/modules/account/src/main/scala/de/nowchess/account/config/RedissonProducer.scala
index 38fb951..bff2b14 100644
--- a/modules/account/src/main/scala/de/nowchess/account/config/RedissonProducer.scala
+++ b/modules/account/src/main/scala/de/nowchess/account/config/RedissonProducer.scala
@@ -6,7 +6,8 @@ import jakarta.enterprise.inject.Produces
 import jakarta.inject.Inject
 import org.redisson.Redisson
 import org.redisson.api.RedissonClient
-import org.redisson.config.Config
+import org.redisson.config.{Config, TransportMode}
+
 import scala.compiletime.uninitialized
 
 @ApplicationScoped
diff --git a/modules/account/src/main/scala/de/nowchess/account/resource/OfficialChallengeResource.scala b/modules/account/src/main/scala/de/nowchess/account/resource/OfficialChallengeResource.scala
index dba3473..cc7a877 100644
--- a/modules/account/src/main/scala/de/nowchess/account/resource/OfficialChallengeResource.scala
+++ b/modules/account/src/main/scala/de/nowchess/account/resource/OfficialChallengeResource.scala
@@ -14,6 +14,7 @@ import org.jboss.logging.Logger
 import scala.compiletime.uninitialized
 
 import java.util.UUID
+import java.util.concurrent.ThreadLocalRandom
 
 @Path("/api/challenge/official")
 @ApplicationScoped
@@ -68,7 +69,7 @@ class OfficialChallengeResource:
         val userIsWhite = playerColor match
           case "white" => true
           case "black" => false
-          case _       => scala.util.Random.nextBoolean()
+          case _       => ThreadLocalRandom.current().nextBoolean()
         val (white, black, botColor) =
           if userIsWhite then
             (CorePlayerInfo(user.id.toString, user.username), CorePlayerInfo(bot.id.toString, bot.name), "black")
diff --git a/modules/account/src/main/scala/de/nowchess/account/service/ChallengeService.scala b/modules/account/src/main/scala/de/nowchess/account/service/ChallengeService.scala
index b95eb15..ab7693d 100644
--- a/modules/account/src/main/scala/de/nowchess/account/service/ChallengeService.scala
+++ b/modules/account/src/main/scala/de/nowchess/account/service/ChallengeService.scala
@@ -29,6 +29,7 @@ import scala.compiletime.uninitialized
 import java.time.Instant
 import java.time.temporal.ChronoUnit
 import java.util.UUID
+import java.util.concurrent.ThreadLocalRandom
 
 @ApplicationScoped
 class ChallengeService:
@@ -158,7 +159,7 @@ class ChallengeService:
       case ChallengeColor.White => (challenger, destUser)
       case ChallengeColor.Black => (destUser, challenger)
       case ChallengeColor.Random =>
-        if scala.util.Random.nextBoolean() then (challenger, destUser) else (destUser, challenger)
+        if ThreadLocalRandom.current().nextBoolean() then (challenger, destUser) else (destUser, challenger)
 
   private def buildTimeControl(challenge: Challenge): Option[CoreTimeControl] =
     challenge.timeControlType match