diff --git a/itests/org.connectorio.addons.itest.bacnet/pom.xml b/itests/org.connectorio.addons.itest.bacnet/pom.xml
index 5a3cbb58..57ff9227 100644
--- a/itests/org.connectorio.addons.itest.bacnet/pom.xml
+++ b/itests/org.connectorio.addons.itest.bacnet/pom.xml
@@ -1,21 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- - Copyright (C) 2022-2022 ConnectorIO Sp. z o.o.
+ - Copyright (C) 2019-2021 ConnectorIO sp. z o.o.
  -
- - Licensed under the Apache License, Version 2.0 (the "License");
- - you may not use this file except in compliance with the License.
- - You may obtain a copy of the License at
+ - This is free software; you can redistribute it and/or modify
+ - it under the terms of the GNU General Public License as published by
+ - the Free Software Foundation; either version 2 of the License, or
+ - (at your option) any later version.
  -
- -     http://www.apache.org/licenses/LICENSE-2.0
+ -     https://www.gnu.org/licenses/gpl-3.0.txt
  -
- - Unless required by applicable law or agreed to in writing, software
- - distributed under the License is distributed on an "AS IS" BASIS,
- - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- - See the License for the specific language governing permissions and
- - limitations under the License.
+ - This library is distributed in the hope that it will be useful,
+ - but WITHOUT ANY WARRANTY; without even the implied warranty of
+ - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ - GNU General Public License for more details.
  -
- - SPDX-License-Identifier: Apache-2.0
- -->
+ - You should have received a copy of the GNU General Public License
+ - along with Foobar; if not, write to the Free Software
+ - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ -
+ - SPDX-License-Identifier: GPL-3.0-or-later
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
@@ -31,6 +35,14 @@
   <name>ConnectorIO - Addons - ITests - BACnet</name>
   <description>Integration tests of BACnet.</description>
 
+  <licenses>
+    <license>
+      <name>GNU General Public License, version 3</name>
+      <url>https://www.gnu.org/licenses/gpl-3.0.txt</url>
+      <comments>Due to bacnet4j dependency this library must be licensed under GNU GPL.</comments>
+    </license>
+  </licenses>
+
   <dependencies>
     <dependency>
       <groupId>org.connectorio.addons</groupId>
diff --git a/itests/org.connectorio.addons.itest.bacnet/src/test/java/org/connectorio/addons/itest/bacnet/BACnetOfflineKarInstallationTest.java b/itests/org.connectorio.addons.itest.bacnet/src/test/java/org/connectorio/addons/itest/bacnet/BACnetOfflineKarInstallationTest.java
index 8fee6c60..f5475106 100644
--- a/itests/org.connectorio.addons.itest.bacnet/src/test/java/org/connectorio/addons/itest/bacnet/BACnetOfflineKarInstallationTest.java
+++ b/itests/org.connectorio.addons.itest.bacnet/src/test/java/org/connectorio/addons/itest/bacnet/BACnetOfflineKarInstallationTest.java
@@ -1,19 +1,23 @@
 /*
  * Copyright (C) 2022-2022 ConnectorIO Sp. z o.o.
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ *     https://www.gnu.org/licenses/gpl-3.0.txt
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- * SPDX-License-Identifier: Apache-2.0
+ * You should have received a copy of the GNU General Public License
+ * along with Foobar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
  */
 package org.connectorio.addons.itest.bacnet;
 
diff --git a/kars/org.connectorio.addons.kar.bacnet/pom.xml b/kars/org.connectorio.addons.kar.bacnet/pom.xml
index 869f35d3..7f8d64ba 100644
--- a/kars/org.connectorio.addons.kar.bacnet/pom.xml
+++ b/kars/org.connectorio.addons.kar.bacnet/pom.xml
@@ -36,6 +36,14 @@
   <name>ConnectorIO - Addons - KARs - BACnet</name>
   <description>BACnet deployment archive dedicated to openHAB runtime.</description>
 
+  <licenses>
+    <license>
+      <name>GNU General Public License, version 3</name>
+      <url>https://www.gnu.org/licenses/gpl-3.0.txt</url>
+      <comments>Due to bacnet4j dependency this library must be licensed under GNU GPL.</comments>
+    </license>
+  </licenses>
+
   <dependencies>
     <dependency>
       <groupId>org.connectorio.addons</groupId>