--- libformula-1.1.3/common_build.xml	2020-05-05 19:51:29.901832133 +0100
+++ libformula-1.1.3/common_build.xml	2020-05-05 19:51:35.875883155 +0100
@@ -136,8 +136,8 @@
   <property name="javac.deprecation"
             value="true"
             description="Indicates whether source should be compiled with deprecation information" />
-  <property name="javac.source" value="1.5" description="Provide source compatibility with specified release" />
-  <property name="javac.target" value="1.5" description="Generate class files for specific VM version" />
+  <property name="javac.source" value="1.8" description="Provide source compatibility with specified release" />
+  <property name="javac.target" value="1.8" description="Generate class files for specific VM version" />
 
   <!-- Build Cache properties -->
   <property name="build.cache.dir"