diff --git a/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/env/DevToolsPropertyDefaultsPostProcessor.java b/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/env/DevToolsPropertyDefaultsPostProcessor.java
index bd99a3e21c2..8a4852b702c 100755
--- a/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/env/DevToolsPropertyDefaultsPostProcessor.java
+++ b/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/env/DevToolsPropertyDefaultsPostProcessor.java
@@ -63,6 +63,7 @@ public class DevToolsPropertyDefaultsPostProcessor implements EnvironmentPostPro
 		Map<String, Object> properties = new HashMap<>();
 		properties.put("spring.thymeleaf.cache", "false");
 		properties.put("spring.freemarker.cache", "false");
+		properties.put("spring.graphql.graphiql.enabled", "true");
 		properties.put("spring.groovy.template.cache", "false");
 		properties.put("spring.mustache.cache", "false");
 		properties.put("server.servlet.session.persistent", "true");