diff --git a/module/spring-boot-test-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json b/module/spring-boot-test-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json
index 3e102c043ef..43e38bd0479 100644
--- a/module/spring-boot-test-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json
+++ b/module/spring-boot-test-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json
@@ -17,6 +17,12 @@
       "type": "java.lang.Boolean",
       "description": "Whether the condition evaluation report should be printed when the ApplicationContext fails to start.",
       "defaultValue": true
+    },
+    {
+      "name": "spring.test.webtestclient.timeout",
+      "type": "java.time.Duration",
+      "description": "Maximum amount of time to wait for responses.",
+      "defaultValue": "5s"
     }
   ]
 }
diff --git a/module/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/WebTestClientAutoConfigurationTests.java b/module/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/WebTestClientAutoConfigurationTests.java
index d8cfed8cff7..0d356dbd50a 100644
--- a/module/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/WebTestClientAutoConfigurationTests.java
+++ b/module/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/WebTestClientAutoConfigurationTests.java
@@ -69,6 +69,14 @@ class WebTestClientAutoConfigurationTests {
 		});
 	}
 
+	@Test
+	void shouldHaveConsistentDefaultTimeout() {
+		this.contextRunner.withUserConfiguration(BaseConfiguration.class).run((context) -> {
+			WebTestClient webTestClient = context.getBean(WebTestClient.class);
+			assertThat(webTestClient).hasFieldOrPropertyWithValue("responseTimeout", Duration.ofSeconds(5));
+		});
+	}
+
 	@Test
 	void shouldCustomizeTimeout() {
 		this.contextRunner.withUserConfiguration(BaseConfiguration.class)