diff --git a/extensions/keycloak-admin-client/deployment/src/main/java/io/quarkus/keycloak/adminclient/deployment/KeycloakAdminClientProcessor.java b/extensions/keycloak-admin-client/deployment/src/main/java/io/quarkus/keycloak/adminclient/deployment/KeycloakAdminClientProcessor.java
index f5ecf30d4fdaa..05a8820f0bb74 100644
--- a/extensions/keycloak-admin-client/deployment/src/main/java/io/quarkus/keycloak/adminclient/deployment/KeycloakAdminClientProcessor.java
+++ b/extensions/keycloak-admin-client/deployment/src/main/java/io/quarkus/keycloak/adminclient/deployment/KeycloakAdminClientProcessor.java
@@ -16,8 +16,10 @@
 import io.quarkus.deployment.annotations.BuildProducer;
 import io.quarkus.deployment.annotations.BuildStep;
 import io.quarkus.deployment.annotations.ExecutionTime;
+import io.quarkus.deployment.annotations.Produce;
 import io.quarkus.deployment.annotations.Record;
 import io.quarkus.deployment.builditem.AdditionalApplicationArchiveMarkerBuildItem;
+import io.quarkus.deployment.builditem.ServiceStartBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveHierarchyIgnoreWarningBuildItem;
 import io.quarkus.keycloak.admin.client.common.AutoCloseableDestroyer;
@@ -45,6 +47,13 @@ ReflectiveClassBuildItem reflect() {
                 .build();
     }
 
+    @Record(ExecutionTime.STATIC_INIT)
+    @Produce(ServiceStartBuildItem.class)
+    @BuildStep
+    public void integrate(ResteasyKeycloakAdminClientRecorder recorder) {
+        recorder.setClientProvider();
+    }
+
     @Record(ExecutionTime.RUNTIME_INIT)
     @BuildStep(onlyIf = KeycloakAdminClientInjectionEnabled.class)
     public void registerKeycloakAdminClientBeans(ResteasyKeycloakAdminClientRecorder recorder,
diff --git a/extensions/keycloak-admin-client/runtime/src/main/java/io/quarkus/keycloak/adminclient/ResteasyKeycloakAdminClientRecorder.java b/extensions/keycloak-admin-client/runtime/src/main/java/io/quarkus/keycloak/adminclient/ResteasyKeycloakAdminClientRecorder.java
index f4866e2d1197b..5ffe9c6f0df6d 100644
--- a/extensions/keycloak-admin-client/runtime/src/main/java/io/quarkus/keycloak/adminclient/ResteasyKeycloakAdminClientRecorder.java
+++ b/extensions/keycloak-admin-client/runtime/src/main/java/io/quarkus/keycloak/adminclient/ResteasyKeycloakAdminClientRecorder.java
@@ -4,8 +4,13 @@
 
 import java.util.function.Supplier;
 
+import javax.net.ssl.SSLContext;
+import javax.ws.rs.client.Client;
+
+import org.keycloak.admin.client.ClientBuilderWrapper;
 import org.keycloak.admin.client.Keycloak;
 import org.keycloak.admin.client.KeycloakBuilder;
+import org.keycloak.admin.client.spi.ResteasyClientClassicProvider;
 
 import io.quarkus.keycloak.admin.client.common.KeycloakAdminClientConfig;
 import io.quarkus.runtime.RuntimeValue;
@@ -50,4 +55,15 @@ public Keycloak get() {
             }
         };
     }
+
+    public void setClientProvider() {
+        Keycloak.setClientProvider(new ResteasyClientClassicProvider() {
+            @Override
+            public Client newRestEasyClient(Object customJacksonProvider, SSLContext sslContext, boolean disableTrustManager) {
+                // point here is to use default Quarkus providers rather than org.keycloak.admin.client.JacksonProvider
+                // as it doesn't work properly in native mode
+                return ClientBuilderWrapper.create(sslContext, disableTrustManager).build();
+            }
+        });
+    }
 }