diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7f87f68..d6cc2ed 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         distribution: [ 'temurin' ]
-        java: [ '11', '17' ]
+        java: [ '11', '17', '21' ]
     steps:
     - uses: actions/checkout@v3
     - name: Setup java
diff --git a/CHANGELOG b/CHANGELOG
index cdc6b74..2b43262 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+see https://github.com/omaster395464gh/fop4apex/releases for newer release notes
+
 ## [0.10.2] - 2022-09-09
 ### Changed
 - remove junit 4
diff --git a/pom.xml b/pom.xml
index 0a65af8..0b4ddd8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,15 +6,15 @@
 
     <groupId>de.pdv.apex</groupId>
     <artifactId>fop4apex</artifactId>
-    <version>0.12.2-SNAPSHOT</version>
+    <version>0.13.1-SNAPSHOT</version>
     <name>fop4apex</name>
     <packaging>war</packaging>
     <url>https://www.pdv.de</url>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
         <junit.version>5.10.0</junit.version>
         <batik.version>1.16</batik.version>
         <pdfbox.version>3.0.0</pdfbox.version>