diff --git a/sechub-api-java/src/test/java/com/mercedesbenz/sechub/api/DefaultSechubClientWireMockTest.java b/sechub-api-java/src/test/java/com/mercedesbenz/sechub/api/DefaultSechubClientWireMockTest.java
index 1faac028ff..ef430212bd 100644
--- a/sechub-api-java/src/test/java/com/mercedesbenz/sechub/api/DefaultSechubClientWireMockTest.java
+++ b/sechub-api-java/src/test/java/com/mercedesbenz/sechub/api/DefaultSechubClientWireMockTest.java
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 package com.mercedesbenz.sechub.api;
 
 import static com.github.tomakehurst.wiremock.client.WireMock.*;
diff --git a/sechub-systemtest/src/main/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/CurrentTestVariableCalculatorFactory.java b/sechub-systemtest/src/main/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/CurrentTestVariableCalculatorFactory.java
index 0a169fd1a8..9fd445561c 100644
--- a/sechub-systemtest/src/main/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/CurrentTestVariableCalculatorFactory.java
+++ b/sechub-systemtest/src/main/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/CurrentTestVariableCalculatorFactory.java
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 package com.mercedesbenz.sechub.systemtest.runtime.testengine;
 
 import com.mercedesbenz.sechub.systemtest.config.TestDefinition;
diff --git a/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/TestRuntimeAccess.java b/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/TestRuntimeAccess.java
index acb9ecf8ef..c29b673963 100644
--- a/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/TestRuntimeAccess.java
+++ b/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/TestRuntimeAccess.java
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 package com.mercedesbenz.sechub.systemtest.runtime;
 
 public class TestRuntimeAccess {
diff --git a/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/SystemTestRuntimeTestEngineTest.java b/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/SystemTestRuntimeTestEngineTest.java
index 46f4abd734..a5d1e2717c 100644
--- a/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/SystemTestRuntimeTestEngineTest.java
+++ b/sechub-systemtest/src/test/java/com/mercedesbenz/sechub/systemtest/runtime/testengine/SystemTestRuntimeTestEngineTest.java
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: MIT
 package com.mercedesbenz.sechub.systemtest.runtime.testengine;
 
 import static org.junit.jupiter.api.Assertions.*;