diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 12b8c59..8b20161 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,8 +22,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
-        jdk: [ 11, 17 ]
+        os: [ ubuntu-latest, windows-latest ]
+        jdk: [ 17, 21 ]
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/pom.xml b/pom.xml
index b1f181d..6542dbf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,8 +29,7 @@
     </organization>
 
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.release>17</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 </project>