diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 07c6835b..2e8c7426 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '8', '11', '17' ]
+        java: [ '11', '17', '21' ]
     name: Temurin ${{ matrix.java }}
     steps:
     - uses: actions/checkout@v3
diff --git a/.sdkmanrc b/.sdkmanrc
index 49f2c8cd..25b2e5bc 100644
--- a/.sdkmanrc
+++ b/.sdkmanrc
@@ -1,3 +1,3 @@
 # Enable auto-env through the sdkman_auto_env config
 # Add key=value pairs of SDKs to use below
-java=17.0.7-tem
+java=21-librca
diff --git a/db-scheduler/src/test/java/com/github/kagkarlsson/scheduler/task/schedule/CompositeParserTest.java b/db-scheduler/src/test/java/com/github/kagkarlsson/scheduler/task/schedule/CompositeParserTest.java
index c8c8f729..7e8c0255 100644
--- a/db-scheduler/src/test/java/com/github/kagkarlsson/scheduler/task/schedule/CompositeParserTest.java
+++ b/db-scheduler/src/test/java/com/github/kagkarlsson/scheduler/task/schedule/CompositeParserTest.java
@@ -64,7 +64,7 @@ public void fails_when_one_required_delegate_fails() {
   @Test
   public void cannot_create_from_null_or_empty_list() {
     assertUnableToCreateParser(null);
-    assertUnableToCreateParser();
+    assertUnableToCreateParser(new Parser[] {});
   }
 
   @Test
@@ -85,7 +85,7 @@ static void assertParsingResult(Schedule expected, Parser... parsers) {
     assertEquals(Optional.of(expected), CompositeParser.of(parsers).parse(ANY_SCHEDULE_STRING));
   }
 
-  static void assertUnableToCreateParser(Parser... parsers) {
+  static void assertUnableToCreateParser(Parser[] parsers) {
     try {
       CompositeParser.of(parsers);
       fail("Should have thrown IllegalArgumentException");
diff --git a/pom.xml b/pom.xml
index bc1ab881..57aaef8e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,9 +28,10 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<jdk.version>1.8</jdk.version>
+		<jdk.version>11</jdk.version>
 		<maven.compiler.source>${jdk.version}</maven.compiler.source>
 		<maven.compiler.target>${jdk.version}</maven.compiler.target>
+    <maven.compiler.release>${jdk.version}</maven.compiler.release>
 		<compilerArgument />
 		<license.dir>${project.basedir}/.license</license.dir>
 
@@ -180,6 +181,12 @@
 									<exclude>META-INF/**</exclude>
 								</excludes>
 							</filter>
+              <filter>
+                <artifact>com.github.kagkarlsson:micro-jdbc:*</artifact>
+                <excludes>
+                  <exclude>META-INF/**</exclude>
+                </excludes>
+              </filter>
 						</filters>
 						<relocations>
 							<relocation>