UIMA-5984 changed minimum java version from 1.7 to 1.8
diff --git a/uima-as-parent/pom.xml b/uima-as-parent/pom.xml
index dbe14b5..3e5352b 100644
--- a/uima-as-parent/pom.xml
+++ b/uima-as-parent/pom.xml
@@ -485,8 +485,8 @@
               <artifactId>maven-compiler-plugin</artifactId>
               <version>3.1</version>
               <configuration>
-                 <source>1.7</source>
-                 <target>1.7</target>
+                 <source>1.8</source>
+                 <target>1.8</target>
               </configuration>
            </plugin>