diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ac35f34..c9694aa 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,6 +28,8 @@ jobs:
       - uses: ./
         with:
           java-version: ${{ matrix.java }}
+          java-cache: maven
           maven-version: ${{ matrix.maven }}
 
-      - run: mvn -v
+      - run: mvn -v validate -Drequire.java=${{ matrix.java }} -Drequire.maven=${{ matrix.maven }}
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ee44a96
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.idea
+target
diff --git a/LICENSE b/LICENSE
index 51138b3..6d16f20 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,7 @@
 
 The MIT License (MIT)
 
-Copyright (c) 2019 Slawomir Jaranowski and contributors
+Copyright (c) 2021 Simplify4U and contributors
 
 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/pom.xml b/pom.xml
new file mode 100644
index 0000000..3d78f25
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~
+  ~ The MIT License (MIT)
+  ~
+  ~ Copyright (c) 2021 Simplify4U and contributors
+  ~
+  ~ Permission is hereby granted, free of charge, to any person obtaining a copy
+  ~ of this software and associated documentation files (the "Software"), to deal
+  ~ in the Software without restriction, including without limitation the rights
+  ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  ~ copies of the Software, and to permit persons to whom the Software is
+  ~ furnished to do so, subject to the following conditions:
+  ~
+  ~ The above copyright notice and this permission notice shall be included in
+  ~ all copies or substantial portions of the Software.
+  ~
+  ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  ~ THE SOFTWARE.
+  ~
+  -->
+<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/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>test</groupId>
+    <artifactId>test</artifactId>
+    <version>1.0.0</version>
+
+    <properties>
+        <require.maven/>
+        <require.java/>
+        <_require.java/>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <version>3.0.0-M3</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>display-info</goal>
+                            <goal>enforce</goal>
+                        </goals>
+                        <phase>validate</phase>
+                    </execution>
+                </executions>
+                <configuration>
+                    <rules>
+                        <requireJavaVersion>
+                            <version>${_require.java}</version>
+                        </requireJavaVersion>
+                        <requireMavenVersion>
+                            <version>[${require.maven}]</version>
+                        </requireMavenVersion>
+                    </rules>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>java8-version-label</id>
+            <activation>
+                <property>
+                    <name>require.java</name>
+                    <value>8</value>
+                </property>
+            </activation>
+            <properties>
+                <_require.java>1.8</_require.java>
+            </properties>
+        </profile>
+        <profile>
+            <id>non-java8-version-label</id>
+            <activation>
+                <property>
+                    <name>require.java</name>
+                    <value>!8</value>
+                </property>
+            </activation>
+            <properties>
+                <_require.java>${require.java}</_require.java>
+            </properties>
+        </profile>
+    </profiles>
+</project>