diff --git a/xalan-2.7.3/pom.xml b/xalan-2.7.3/pom.xml
index 5cb15ee..15d7f4b 100644
--- a/xalan-2.7.3/pom.xml
+++ b/xalan-2.7.3/pom.xml
@@ -102,6 +102,14 @@
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
                 <executions>
                     <execution>