diff --git a/src/test/java/edu/stanford/protege/issues/service/GetGitHubIssuesRequestHandlerTest.java b/src/test/java/edu/stanford/protege/issues/service/GetGitHubIssuesRequestHandlerTest.java
index b6f9b40..97bf5f6 100644
--- a/src/test/java/edu/stanford/protege/issues/service/GetGitHubIssuesRequestHandlerTest.java
+++ b/src/test/java/edu/stanford/protege/issues/service/GetGitHubIssuesRequestHandlerTest.java
@@ -8,6 +8,7 @@
 import edu.stanford.protege.webprotege.ipc.WebProtegeHandler;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.semanticweb.owlapi.model.OWLEntity;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -19,6 +20,7 @@
 import static org.mockito.Mockito.when;
 
 @SpringBootTest
+@ExtendWith(MongoTestExtension.class)
 class GetGitHubIssuesRequestHandlerTest {
 
     private GetGitHubIssuesRequestHandler handler;
diff --git a/src/test/java/edu/stanford/protege/issues/service/MongoTestExtension.java b/src/test/java/edu/stanford/protege/issues/service/MongoTestExtension.java
index 789b161..6b588fe 100644
--- a/src/test/java/edu/stanford/protege/issues/service/MongoTestExtension.java
+++ b/src/test/java/edu/stanford/protege/issues/service/MongoTestExtension.java
@@ -3,8 +3,8 @@
 import org.junit.jupiter.api.extension.AfterAllCallback;
 import org.junit.jupiter.api.extension.BeforeAllCallback;
 import org.junit.jupiter.api.extension.ExtensionContext;
-import org.springframework.test.context.DynamicPropertyRegistry;
-import org.springframework.test.context.DynamicPropertySource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.testcontainers.containers.MongoDBContainer;
 import org.testcontainers.utility.DockerImageName;
 
@@ -15,6 +15,8 @@
  */
 public class MongoTestExtension  implements BeforeAllCallback, AfterAllCallback {
 
+    private final Logger logger = LoggerFactory.getLogger(MongoTestExtension.class);
+
     protected static final int MONGODB_PORT = 27017;
 
     private MongoDBContainer container;
@@ -25,12 +27,8 @@ public void beforeAll(ExtensionContext extensionContext) throws Exception {
         container = new MongoDBContainer(imageName)
                 .withExposedPorts(MONGODB_PORT);
         container.start();
-    }
-
-    @DynamicPropertySource
-    public void setProperties(DynamicPropertyRegistry registry) {
-        registry.add("spring.data.mongodb.host", () -> "localhost");
-        registry.add("spring.data.mongodb.port", () -> container.getMappedPort(MONGODB_PORT));
+        logger.info("Started Mongo on port {}", container.getMappedPort(MONGODB_PORT));
+        System.setProperty("spring.data.mongodb.port", Integer.toString(container.getMappedPort(MONGODB_PORT)));
     }
 
     @Override