diff --git a/pom.xml b/pom.xml
index 7380d0d..dfa9a26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,6 +15,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <maven-compiler-plugin.version>3.6.1</maven-compiler-plugin.version>
         <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
@@ -71,6 +73,20 @@
         </developer>
     </developers>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <profiles>
         <profile>
             <id>release</id>