diff --git a/extensions/redis-client/deployment/src/main/java/io/quarkus/redis/client/deployment/RedisClientProcessor.java b/extensions/redis-client/deployment/src/main/java/io/quarkus/redis/client/deployment/RedisClientProcessor.java
index 319d51f966a1c..8937c18809485 100644
--- a/extensions/redis-client/deployment/src/main/java/io/quarkus/redis/client/deployment/RedisClientProcessor.java
+++ b/extensions/redis-client/deployment/src/main/java/io/quarkus/redis/client/deployment/RedisClientProcessor.java
@@ -74,8 +74,15 @@ HealthBuildItem addHealthCheck(RedisBuildTimeConfig buildTimeConfig) {
     }
 
     @BuildStep
-    RuntimeInitializedClassBuildItem initializeBulkTypeDuringRuntime() {
-        return new RuntimeInitializedClassBuildItem(BulkType.class.getName());
+    public void registerRuntimeInitializedClasses(BuildProducer<RuntimeInitializedClassBuildItem> producer) {
+        producer.produce(new RuntimeInitializedClassBuildItem(BulkType.class.getName()));
+        // Classes using SplittableRandom, which need to be runtime initialized
+        producer.produce(new RuntimeInitializedClassBuildItem("io.vertx.redis.client.impl.RedisSentinelClient"));
+        producer.produce(new RuntimeInitializedClassBuildItem("io.vertx.redis.client.impl.Slots"));
+        producer.produce(new RuntimeInitializedClassBuildItem("io.vertx.redis.client.impl.RedisClusterConnection"));
+        // RedisClusterConnections is referenced from RedisClusterClient. Thus, we need to runtime-init
+        // that too.
+        producer.produce(new RuntimeInitializedClassBuildItem("io.vertx.redis.client.impl.RedisClusterClient"));
     }
 
     @BuildStep