diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95da006..38cd0b3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,8 +14,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - title: "JDK 8"
-            java: 8
           - title: "JDK 11"
             java: 11
           - title: "JDK 16"
@@ -25,7 +23,7 @@ jobs:
       - name: 'Checkout from Git'
         uses: actions/checkout@v3
       - name: 'Set up JDK ${{ matrix.java }}'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
           distribution: adopt
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4420788..58c51c6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,11 +26,11 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-maven-
       - name: Setup Java JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: 8
           distribution: adopt
-          server-id: ossrh
+          server-id: central
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
       - name: Configure Git user
diff --git a/.github/workflows/snapshot.yml b/.github/workflows/snapshot.yml
index 4fcad59..5affda1 100644
--- a/.github/workflows/snapshot.yml
+++ b/.github/workflows/snapshot.yml
@@ -16,11 +16,11 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-maven-
       - name: Setup Java JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: 8
           distribution: adopt
-          server-id: ossrh
+          server-id: central
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
       - name: Publish JARs
diff --git a/pom.xml b/pom.xml
index 6e8371a..4246783 100755
--- a/pom.xml
+++ b/pom.xml
@@ -67,14 +67,13 @@
 			<build>
 				<plugins>
 					<plugin>
-						<groupId>org.sonatype.plugins</groupId>
-						<artifactId>nexus-staging-maven-plugin</artifactId>
-						<version>1.6.7</version>
+						<groupId>org.sonatype.central</groupId>
+						<artifactId>central-publishing-maven-plugin</artifactId>
+						<version>0.7.0</version>
 						<extensions>true</extensions>
 						<configuration>
-							<serverId>ossrh</serverId>
-							<nexusUrl>https://oss.sonatype.org/</nexusUrl>
-							<autoReleaseAfterClose>true</autoReleaseAfterClose>
+							<publishingServerId>central</publishingServerId>
+							<autoPublish>true</autoPublish>
 						</configuration>
 					</plugin>
 					<plugin>
@@ -296,12 +295,8 @@
 
 	<distributionManagement>
 		<snapshotRepository>
-			<id>ossrh</id>
-			<url>https://oss.sonatype.org/content/repositories/snapshots</url>
+			<id>central</id>
+			<url>https://central.sonatype.com/repository/maven-snapshots/</url>
 		</snapshotRepository>
-		<repository>
-			<id>ossrh</id>
-			<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-		</repository>
 	</distributionManagement>
 </project>
diff --git a/src/main/java/org/pitest/junit5/JUnit5TestUnitFinder.java b/src/main/java/org/pitest/junit5/JUnit5TestUnitFinder.java
index a5ef6f1..4d237c4 100755
--- a/src/main/java/org/pitest/junit5/JUnit5TestUnitFinder.java
+++ b/src/main/java/org/pitest/junit5/JUnit5TestUnitFinder.java
@@ -25,6 +25,7 @@
 import static java.util.stream.Collectors.toList;
 
 import org.junit.platform.commons.PreconditionViolationException;
+import org.junit.platform.engine.DiscoverySelector;
 import org.junit.platform.engine.Filter;
 import org.junit.platform.engine.TestExecutionResult;
 import org.junit.platform.engine.discovery.DiscoverySelectors;
@@ -82,9 +83,14 @@ public List<TestUnit> findTestUnits(Class<?> clazz, TestUnitExecutionListener ex
 
         TestIdentifierListener listener = new TestIdentifierListener(clazz, executionListener);
 
+        // Although we have a class instance to examine, some junit 5 extensions (well Quarkus, but maybe also others)
+        // switch the classloader during discover. Must therefore drop back to a name string so classloading
+        // matches normal execution.
+        DiscoverySelector selector = DiscoverySelectors.selectClass(clazz.getName());
+
         launcher.execute(LauncherDiscoveryRequestBuilder
                 .request()
-                .selectors(DiscoverySelectors.selectClass(clazz))
+                .selectors(selector)
                 .filters(filters.toArray(new Filter[filters.size()]))
                 .build(), listener);