diff --git a/extensions/arc/deployment/src/test/java/io/quarkus/arc/test/observer/SyntheticObserverTest.java b/extensions/arc/deployment/src/test/java/io/quarkus/arc/test/observer/SyntheticObserverTest.java
index 4398ab780fb5c..197d47f888252 100644
--- a/extensions/arc/deployment/src/test/java/io/quarkus/arc/test/observer/SyntheticObserverTest.java
+++ b/extensions/arc/deployment/src/test/java/io/quarkus/arc/test/observer/SyntheticObserverTest.java
@@ -65,7 +65,7 @@ public void execute(BuildContext context) {
     @Test
     public void testSyntheticObserver() {
         MyObserver.EVENTS.clear();
-        Arc.container().beanManager().fireEvent("foo");
+        Arc.container().beanManager().getEvent().fire("foo");
         assertEquals(2, MyObserver.EVENTS.size(), "Events: " + MyObserver.EVENTS);
         assertTrue(MyObserver.EVENTS.contains("synthetic"));
         assertTrue(MyObserver.EVENTS.contains("foo_MyObserver"));
diff --git a/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/InjectableBean.java b/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/InjectableBean.java
index db258815900d1..ca800d59a5f80 100644
--- a/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/InjectableBean.java
+++ b/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/InjectableBean.java
@@ -90,7 +90,8 @@ default Set<InjectionPoint> getInjectionPoints() {
         return Collections.emptySet();
     }
 
-    @Override
+    // Deprecated method which can be safely removed once we use CDI 4.0+
+    @Deprecated
     default boolean isNullable() {
         return false;
     }
diff --git a/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/BeanManagerImpl.java b/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/BeanManagerImpl.java
index 6e6525f1d459f..3787a42965fbc 100644
--- a/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/BeanManagerImpl.java
+++ b/independent-projects/arc/runtime/src/main/java/io/quarkus/arc/impl/BeanManagerImpl.java
@@ -115,7 +115,8 @@ public void validate(InjectionPoint injectionPoint) {
         throw new UnsupportedOperationException();
     }
 
-    @Override
+    // Deprecated method which can be safely removed once we use CDI 4.0+
+    @Deprecated
     public void fireEvent(Object event, Annotation... qualifiers) {
         Set<Annotation> eventQualifiers = new HashSet<>();
         Collections.addAll(eventQualifiers, qualifiers);
@@ -235,7 +236,8 @@ public <T> AnnotatedType<T> createAnnotatedType(Class<T> type) {
         throw new UnsupportedOperationException();
     }
 
-    @Override
+    // Deprecated method which can be safely removed once we use CDI 4.0+
+    @Deprecated
     public <T> InjectionTarget<T> createInjectionTarget(AnnotatedType<T> type) {
         throw new UnsupportedOperationException();
     }
diff --git a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/buildextension/observers/SyntheticObserverTest.java b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/buildextension/observers/SyntheticObserverTest.java
index ed4f701bf7c0d..f4f0e5feb5864 100644
--- a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/buildextension/observers/SyntheticObserverTest.java
+++ b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/buildextension/observers/SyntheticObserverTest.java
@@ -52,13 +52,13 @@ public void register(RegistrationContext context) {
     @Test
     public void testSyntheticObserver() {
         MyObserver.EVENTS.clear();
-        Arc.container().beanManager().fireEvent("foo");
+        Arc.container().beanManager().getEvent().fire("foo");
         assertEquals(2, MyObserver.EVENTS.size(), "Events: " + MyObserver.EVENTS);
         assertTrue(MyObserver.EVENTS.contains("foo"));
         assertTrue(MyObserver.EVENTS.contains("foo_MyObserver"));
 
         MyObserver.EVENTS.clear();
-        Arc.container().beanManager().fireEvent("foo", NamedLiteral.of("bla"));
+        Arc.container().beanManager().getEvent().select(String.class, NamedLiteral.of("bla")).fire("foo");
         assertEquals(3, MyObserver.EVENTS.size(), "Events: " + MyObserver.EVENTS);
         assertTrue(MyObserver.EVENTS.contains("foo"));
         assertTrue(MyObserver.EVENTS.contains("foo_MyObserver"));
diff --git a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/ifexists/ReceptionIfExistsTest.java b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/ifexists/ReceptionIfExistsTest.java
index 631ee2db7b3d0..7282c34178abb 100644
--- a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/ifexists/ReceptionIfExistsTest.java
+++ b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/ifexists/ReceptionIfExistsTest.java
@@ -25,14 +25,14 @@ public class ReceptionIfExistsTest {
     @Test
     public void testObserver() {
         ArcContainer container = Arc.container();
-        container.beanManager().fireEvent("foo");
+        container.beanManager().getEvent().fire("foo");
         assertEquals(1, EVENTS.size());
         assertEquals(DependentObserver.class.getName() + "foo", EVENTS.get(0));
 
         // Activate the request context but the instance still does not exist
         EVENTS.clear();
         container.requestContext().activate();
-        container.beanManager().fireEvent("foo");
+        container.beanManager().getEvent().fire("foo");
         assertEquals(1, EVENTS.size());
         assertEquals(DependentObserver.class.getName() + "foo", EVENTS.get(0));
         container.requestContext().deactivate();
@@ -42,7 +42,7 @@ public void testObserver() {
         container.requestContext().activate();
         // Force bean instance creation
         container.instance(RequestScopedObserver.class).get().ping();
-        container.beanManager().fireEvent("foo");
+        container.beanManager().getEvent().fire("foo");
         assertEquals(2, EVENTS.size());
         assertEquals(RequestScopedObserver.class.getName() + "foo", EVENTS.get(0));
         assertEquals(DependentObserver.class.getName() + "foo", EVENTS.get(1));
diff --git a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/injection/SimpleObserverInjectionTest.java b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/injection/SimpleObserverInjectionTest.java
index 2ffe315367f78..598e9b463ceeb 100644
--- a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/injection/SimpleObserverInjectionTest.java
+++ b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/injection/SimpleObserverInjectionTest.java
@@ -14,6 +14,7 @@
 import javax.enterprise.context.Dependent;
 import javax.enterprise.event.Observes;
 import javax.enterprise.inject.Instance;
+import javax.enterprise.util.TypeLiteral;
 import javax.inject.Singleton;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -27,12 +28,14 @@ public class SimpleObserverInjectionTest {
     public void testObserverInjection() {
         AtomicReference<String> msg = new AtomicReference<String>();
         Fool.DESTROYED.set(false);
-        Arc.container().beanManager().fireEvent(msg);
+        Arc.container().beanManager().getEvent().select(new TypeLiteral<AtomicReference<String>>() {
+        }).fire(msg);
         String id1 = msg.get();
         assertNotNull(id1);
         assertTrue(Fool.DESTROYED.get());
         Fool.DESTROYED.set(false);
-        Arc.container().beanManager().fireEvent(msg);
+        Arc.container().beanManager().getEvent().select(new TypeLiteral<AtomicReference<String>>() {
+        }).fire(msg);
         assertNotEquals(id1, msg.get());
         assertTrue(Fool.DESTROYED.get());
     }
diff --git a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/notification/ObserverNotificationTest.java b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/notification/ObserverNotificationTest.java
index c4addc4f8d537..f15f849dc11ab 100644
--- a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/notification/ObserverNotificationTest.java
+++ b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/notification/ObserverNotificationTest.java
@@ -19,7 +19,7 @@ public class ObserverNotificationTest {
     public void testContextualInstanceIsUsed() {
         assertEquals(0, StringObserver.CONSTRUCTED.get());
         assertEquals(0, StringObserver.NOTIFIED.get());
-        Arc.container().beanManager().fireEvent("hello");
+        Arc.container().beanManager().getEvent().fire("hello");
         assertEquals(1, StringObserver.CONSTRUCTED.get());
         assertEquals(1, StringObserver.NOTIFIED.get());
     }
diff --git a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/staticmethods/StaticObserverTest.java b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/staticmethods/StaticObserverTest.java
index dce0dc98e496a..fa5762d54510e 100644
--- a/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/staticmethods/StaticObserverTest.java
+++ b/independent-projects/arc/tests/src/test/java/io/quarkus/arc/test/observers/staticmethods/StaticObserverTest.java
@@ -25,7 +25,7 @@ public class StaticObserverTest {
     public void testObserver() {
         assertEquals(0, StringObserver.EVENTS.size());
         assertFalse(Fool.DESTROYED.get());
-        Arc.container().beanManager().fireEvent("hello");
+        Arc.container().beanManager().getEvent().fire("hello");
         assertEquals(1, StringObserver.EVENTS.size());
         assertEquals("hello", StringObserver.EVENTS.get(0));
         assertTrue(Fool.DESTROYED.get());