diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8cb06cca8..494a215db 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [11, 17]
+        java: [17, 21]
     name: build with jdk ${{matrix.java}}
 
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d0528e6fa..9716578ff 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
 
       - uses: actions/setup-java@v1.4.3
         with:
-          java-version: 11
+          java-version: 17
           server-id: 'oss.sonatype'
           server-username: 'MAVEN_DEPLOY_USERNAME'
           server-password: 'MAVEN_DEPLOY_TOKEN'
diff --git a/pom.xml b/pom.xml
index 21ef3e159..8dcf05dfc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,9 +62,9 @@
         
         <!-- JDK stuff -->
         <jboss.extra.opts>--add-modules java.se</jboss.extra.opts>
-        <maven.compiler.release>11</maven.compiler.release>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.release>17</maven.compiler.release>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <version.impsort.plugin>1.8.0</version.impsort.plugin>
         <version.kotlinx.metadata.jvm>0.7.0</version.kotlinx.metadata.jvm>
         <version.kotlin.compiler>1.9.0</version.kotlin.compiler>