diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dee7ce81a..340d22748 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ "8", "11", "17" ]
+        java: [ "8", "11", "17", "21" ]
 
     steps:
       - name: Checkout
diff --git a/commafeed-server/pom.xml b/commafeed-server/pom.xml
index c727edeb2..1f61785c6 100644
--- a/commafeed-server/pom.xml
+++ b/commafeed-server/pom.xml
@@ -238,7 +238,7 @@
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<version>1.18.26</version>
+			<version>1.18.30</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>