diff --git a/fluent-kafka-streams-tests-junit4/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit4/WordCountTest.java b/fluent-kafka-streams-tests-junit4/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit4/WordCountTest.java
index ff68de5..8732451 100644
--- a/fluent-kafka-streams-tests-junit4/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit4/WordCountTest.java
+++ b/fluent-kafka-streams-tests-junit4/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit4/WordCountTest.java
@@ -1,7 +1,7 @@
 /*
  * MIT License
  *
- * Copyright (c) 2019 bakdata GmbH
+ * Copyright (c) 2024 bakdata GmbH
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/fluent-kafka-streams-tests-junit5/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit5/WordCountTest.java b/fluent-kafka-streams-tests-junit5/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit5/WordCountTest.java
index dbe5a67..c12b88a 100644
--- a/fluent-kafka-streams-tests-junit5/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit5/WordCountTest.java
+++ b/fluent-kafka-streams-tests-junit5/src/test/java/com/bakdata/fluent_kafka_streams_tests/junit5/WordCountTest.java
@@ -1,7 +1,7 @@
 /*
  * MIT License
  *
- * Copyright (c) 2019 bakdata GmbH
+ * Copyright (c) 2024 bakdata GmbH
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -244,7 +244,7 @@ void shouldBeDoneAfterSingleWord() {
     void shouldDoNothingOnEmptyInput() {
         this.testTopology.streamOutput().expectNoMoreRecord().and().expectNoMoreRecord().toBeEmpty();
     }
-    
+
     @Test
     void shouldConvertStreamOutputToList() {
         this.testTopology.input()
diff --git a/fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/TestOutput.java b/fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/TestOutput.java
index a3241da..87cfa35 100644
--- a/fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/TestOutput.java
+++ b/fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/TestOutput.java
@@ -1,7 +1,7 @@
 /*
  * MIT License
  *
- * Copyright (c) 2023 bakdata GmbH
+ * Copyright (c) 2024 bakdata GmbH
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/fluent-kafka-streams-tests/src/test/java/com/bakdata/fluent_kafka_streams_tests/WordCountTest.java b/fluent-kafka-streams-tests/src/test/java/com/bakdata/fluent_kafka_streams_tests/WordCountTest.java
index a5ce430..159d502 100644
--- a/fluent-kafka-streams-tests/src/test/java/com/bakdata/fluent_kafka_streams_tests/WordCountTest.java
+++ b/fluent-kafka-streams-tests/src/test/java/com/bakdata/fluent_kafka_streams_tests/WordCountTest.java
@@ -1,7 +1,7 @@
 /*
  * MIT License
  *
- * Copyright (c) 2023 bakdata GmbH
+ * Copyright (c) 2024 bakdata GmbH
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal