diff --git a/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTest.java b/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTest.java
index 36a4c4941eeff..7753391c71fcd 100644
--- a/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTest.java
+++ b/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTest.java
@@ -50,4 +50,11 @@
      * @see #value()
      */
     boolean addNestedClassesAsComponents() default true;
+
+    /**
+     * The ordinal of the config source used for all test config properties.
+     *
+     * @see QuarkusComponentTestExtension#setConfigSourceOrdinal(int)
+     */
+    int configSourceOrdinal() default QuarkusComponentTestExtension.DEFAULT_CONFIG_SOURCE_ORDINAL;
 }
diff --git a/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTestExtension.java b/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTestExtension.java
index da3c11db25b87..a5eaebcb5c164 100644
--- a/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTestExtension.java
+++ b/test-framework/junit5-component/src/main/java/io/quarkus/test/component/QuarkusComponentTestExtension.java
@@ -27,6 +27,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.function.Function;
@@ -142,6 +143,13 @@ public class QuarkusComponentTestExtension
         implements BeforeAllCallback, AfterAllCallback, BeforeEachCallback, AfterEachCallback, TestInstancePostProcessor,
         TestInstancePreDestroyCallback, ConfigSource {
 
+    /**
+     * By default, test config properties take precedence over system properties (400), ENV variables (300) and
+     * application.properties (250)
+     *
+     */
+    public static final int DEFAULT_CONFIG_SOURCE_ORDINAL = 500;
+
     private static final Logger LOG = Logger.getLogger(QuarkusComponentTestExtension.class);
 
     private static final ExtensionContext.Namespace NAMESPACE = ExtensionContext.Namespace
@@ -162,6 +170,7 @@ public class QuarkusComponentTestExtension
     private final List<MockBeanConfiguratorImpl<?>> mockConfigurators;
     private final AtomicBoolean useDefaultConfigProperties = new AtomicBoolean();
     private final AtomicBoolean addNestedClassesAsComponents = new AtomicBoolean(true);
+    private final AtomicInteger configSourceOrdinal = new AtomicInteger(DEFAULT_CONFIG_SOURCE_ORDINAL);
 
     // Used for declarative registration
     public QuarkusComponentTestExtension() {
@@ -233,6 +242,18 @@ public QuarkusComponentTestExtension ignoreNestedClasses() {
         return this;
     }
 
+    /**
+     * Set the ordinal of the config source used for all test config properties. By default,
+     * {@value #DEFAULT_CONFIG_SOURCE_ORDINAL} is used.
+     *
+     * @param val
+     * @return the extension
+     */
+    public QuarkusComponentTestExtension setConfigSourceOrdinal(int val) {
+        this.configSourceOrdinal.set(val);
+        return this;
+    }
+
     @Override
     public void postProcessTestInstance(Object testInstance, ExtensionContext context) throws Exception {
         long start = System.nanoTime();
@@ -273,6 +294,7 @@ public void beforeAll(ExtensionContext context) throws Exception {
                 this.useDefaultConfigProperties.set(true);
             }
             this.addNestedClassesAsComponents.set(testAnnotation.addNestedClassesAsComponents());
+            this.configSourceOrdinal.set(testAnnotation.configSourceOrdinal());
         }
         // All fields annotated with @Inject represent component classes
         Class<?> current = testClass;
@@ -398,8 +420,7 @@ public String getName() {
 
     @Override
     public int getOrdinal() {
-        // System properties (400) and ENV variables (300) take precedence but application.properties has lower priority (250)
-        return 275;
+        return configSourceOrdinal.get();
     }
 
     void registerMockBean(MockBeanConfiguratorImpl<?> mock) {
diff --git a/test-framework/junit5-component/src/test/java/io/quarkus/test/component/config/ConfigSourceOrdinalTest.java b/test-framework/junit5-component/src/test/java/io/quarkus/test/component/config/ConfigSourceOrdinalTest.java
new file mode 100644
index 0000000000000..6c0a3881189cd
--- /dev/null
+++ b/test-framework/junit5-component/src/test/java/io/quarkus/test/component/config/ConfigSourceOrdinalTest.java
@@ -0,0 +1,45 @@
+package io.quarkus.test.component.config;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import jakarta.inject.Inject;
+import jakarta.inject.Singleton;
+
+import org.eclipse.microprofile.config.inject.ConfigProperty;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import io.quarkus.test.component.QuarkusComponentTest;
+import io.quarkus.test.component.TestConfigProperty;
+
+@QuarkusComponentTest(configSourceOrdinal = 275)
+@TestConfigProperty(key = "foo", value = "baz")
+public class ConfigSourceOrdinalTest {
+
+    @BeforeAll
+    static void beforeAll() {
+        System.setProperty("foo", "bar");
+    }
+
+    @AfterAll
+    static void afterAll() {
+        System.clearProperty("foo");
+    }
+
+    @Inject
+    FooConsumer consumer;
+
+    @Test
+    public void testOrdinal() {
+        assertEquals("bar", consumer.foo);
+    }
+
+    @Singleton
+    public static class FooConsumer {
+
+        @ConfigProperty(name = "foo")
+        String foo;
+
+    }
+}