diff --git a/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/QuarkusControllerConfiguration.java b/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/QuarkusControllerConfiguration.java
index b384327b..38629619 100644
--- a/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/QuarkusControllerConfiguration.java
+++ b/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/QuarkusControllerConfiguration.java
@@ -378,6 +378,12 @@ public InformerConfigHolder<R> getInformerConfig() {
         return informerConfig;
     }
 
+    // required until https://github.com/quarkusio/quarkus/pull/41609 is available in a Quarkus release
+    @Override
+    public Set<String> getNamespaces() {
+        return informerConfig.getNamespaces();
+    }
+
     // Needed by Quarkus because LinearRateLimiter doesn't expose setters for byte recording
     public final static class DefaultRateLimiter extends LinearRateLimiter {
 
diff --git a/integration-tests/src/test/java/io/quarkiverse/operatorsdk/it/OperatorSDKResourceTest.java b/integration-tests/src/test/java/io/quarkiverse/operatorsdk/it/OperatorSDKResourceTest.java
index 2aa85676..6440499d 100644
--- a/integration-tests/src/test/java/io/quarkiverse/operatorsdk/it/OperatorSDKResourceTest.java
+++ b/integration-tests/src/test/java/io/quarkiverse/operatorsdk/it/OperatorSDKResourceTest.java
@@ -10,7 +10,7 @@
 import org.junit.jupiter.api.Test;
 
 import io.javaoperatorsdk.operator.ReconcilerUtils;
-import io.quarkus.test.common.WithTestResource;
+import io.quarkus.test.common.QuarkusTestResource;
 import io.quarkus.test.junit.DisabledOnIntegrationTest;
 import io.quarkus.test.junit.QuarkusTest;
 
@@ -29,7 +29,7 @@
  * See also {@code maven-surefire-plugin} configuration where these same environment variables are set
  */
 @QuarkusTest
-@WithTestResource(CustomKubernetesServerTestResource.class)
+@QuarkusTestResource(CustomKubernetesServerTestResource.class)
 class OperatorSDKResourceTest {
 
     @BeforeAll
diff --git a/pom.xml b/pom.xml
index 23ea14eb..5c88bfbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
   <packaging>pom</packaging>
   <name>Quarkus - Operator SDK - Parent</name>
   <properties>
-    <quarkus.version>999-SNAPSHOT</quarkus.version>
+    <quarkus.version>3.12.1</quarkus.version>
     <java-operator-sdk.version>5.0.0-SNAPSHOT</java-operator-sdk.version>
   </properties>
   <scm>