diff --git a/apiguardian-build.xml b/apiguardian-build.xml
index 0e65703..dcee67b 100644
--- a/apiguardian-build.xml
+++ b/apiguardian-build.xml
@@ -17,12 +17,12 @@
   <property name="build.finalName" value="${project.artifactId}-${project.version}"/>
   <property name="build.dir" value="target"/>
   <property name="build.outputDir" value="${build.dir}/classes"/>
-  <property name="build.srcDir.0" value="src/main/java"/>
-  <property name="build.resourceDir.0" value="src/main/resources"/>
+  <property name="build.srcDir" value="src/main/java"/>
+  <property name="build.resourceDir" value="src/main/resources"/>
 
   <property name="reporting.outputDirectory" value="${build.dir}/site"/>
 
-  <property name="compiler.source" value="1.6"/>
+  <property name="compiler.source" value="1.8"/>
   <property name="compiler.target" value="${compiler.source}"/>
 
   <!-- ====================================================================== -->
@@ -49,7 +49,7 @@
            fork="false"
            source="${compiler.source}">
       <src>
-        <pathelement location="${build.srcDir.0}"/>
+        <pathelement location="${build.srcDir}"/>
       </src>
     </javac>
   </target>
@@ -59,7 +59,7 @@
   <!-- ====================================================================== -->
 
   <target name="javadoc" description="Generates the Javadoc of the application">
-    <javadoc sourcepath="${build.srcDir.0}"
+    <javadoc sourcepath="${build.srcDir}"
              packagenames="*"
              destdir="${reporting.outputDirectory}/apidocs"
              access="protected"
diff --git a/apiguardian.spec b/apiguardian.spec
index 22739a3..909d082 100644
--- a/apiguardian.spec
+++ b/apiguardian.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package apiguardian
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed