diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b750909..f05dca1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,10 +21,10 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v3
         with:
-          distribution: temurin
+          distribution: zulu
           java-version: |
             8
-            17
+            21
           cache: maven
       - name: Cache Sonar
         uses: actions/cache@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e4f4a82..7917ef4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,10 +16,10 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v3
         with:
-          distribution: temurin
+          distribution: zulu
           java-version: |
             8
-            17
+            21
           cache: maven
       - name: Build
         env:
diff --git a/pom.xml b/pom.xml
index 3b06d24..abfe081 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>io.github.helpermethod</groupId>
@@ -33,7 +34,7 @@
 
     <properties>
         <java.version>8</java.version>
-        <java.testVersion>17</java.testVersion>
+        <java.testVersion>21</java.testVersion>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.testRelease>${java.testVersion}</maven.compiler.testRelease>
@@ -134,7 +135,9 @@
                 <version>2.40.0</version>
                 <configuration>
                     <java>
-                        <palantirJavaFormat/>
+                        <palantirJavaFormat>
+                            <version>2.38.0</version>
+                        </palantirJavaFormat>
                     </java>
                     <pom>
                         <sortPom>