diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6a7e3ab..55122fe 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -6,12 +6,15 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java-version: [11, 17, 21]
 
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
-          java-version: "11"
+          java-version: ${{ matrix.java-version }}
           distribution: "temurin"
           cache: 'maven'
       - name: Build with Maven
diff --git a/pom.xml b/pom.xml
index ea9046b..536d546 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,10 +76,10 @@
     <slf4j.version>2.0.6</slf4j.version>
     <logback.version>1.4.5</logback.version>
     <junit.version>5.7.0</junit.version>
-    <spotless.version>2.33.0</spotless.version>
     <shade.plugin.version>3.4.1</shade.plugin.version>
     <compiler.plugin.version>3.10.1</compiler.plugin.version>
     <surefire.plugin.version>2.22.2</surefire.plugin.version>
+    <spotless.version>2.43.0</spotless.version>
   </properties>
 
   <distributionManagement>
@@ -243,7 +243,7 @@
           <configuration>
             <java>
               <googleJavaFormat>
-                <version>1.8</version>
+                <version>1.22.0</version>
                 <style>GOOGLE</style>
               </googleJavaFormat>
               <removeUnusedImports />