diff --git a/include/cppkafka/utils/backoff_performer.h b/include/cppkafka/utils/backoff_performer.h
index 6b57d49..d7be5ab 100644
--- a/include/cppkafka/utils/backoff_performer.h
+++ b/include/cppkafka/utils/backoff_performer.h
@@ -40,7 +40,7 @@ namespace cppkafka {
 /**
  * 
  */
-class BackoffPerformer {
+class CPPKAFKA_API BackoffPerformer {
 public:
     using TimeUnit = std::chrono::milliseconds;
     static constexpr TimeUnit DEFAULT_INITIAL_BACKOFF{100};
diff --git a/include/cppkafka/utils/buffered_producer.h b/include/cppkafka/utils/buffered_producer.h
index 775440f..5dfab6f 100644
--- a/include/cppkafka/utils/buffered_producer.h
+++ b/include/cppkafka/utils/buffered_producer.h
@@ -59,7 +59,7 @@ namespace cppkafka {
  * This class is not thread safe.
  */
 template <typename BufferType>
-class BufferedProducer {
+class CPPKAFKA_API BufferedProducer {
 public:
     /**
      * Concrete builder
diff --git a/include/cppkafka/utils/compacted_topic_processor.h b/include/cppkafka/utils/compacted_topic_processor.h
index f714950..3c06b8b 100644
--- a/include/cppkafka/utils/compacted_topic_processor.h
+++ b/include/cppkafka/utils/compacted_topic_processor.h
@@ -43,7 +43,7 @@ namespace cppkafka {
  * \brief Events generated by a CompactedTopicProcessor
  */
 template <typename Key, typename Value>
-class CompactedTopicEvent {
+class CPPKAFKA_API CompactedTopicEvent {
 public:
     /**
      * \brief Event type enum
diff --git a/include/cppkafka/utils/consumer_dispatcher.h b/include/cppkafka/utils/consumer_dispatcher.h
index 8994652..b3a47a2 100644
--- a/include/cppkafka/utils/consumer_dispatcher.h
+++ b/include/cppkafka/utils/consumer_dispatcher.h
@@ -70,7 +70,7 @@ namespace cppkafka {
  * * EOF: void(BasicConsumerDispatcher::EndOfFile, TopicPartition)
  */
 template <typename ConsumerType>
-class BasicConsumerDispatcher {
+class CPPKAFKA_API BasicConsumerDispatcher {
 public:
     /**
      * Tag to indicate a timeout occurred