diff --git a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/health/package-info.java b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/health/package-info.java
index ca55959d017..5729a63bacd 100644
--- a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/health/package-info.java
+++ b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/health/package-info.java
@@ -17,4 +17,7 @@
 /**
  * Auto-configuration for Spring Data Elasticsearch health.
  */
+@NullMarked
 package org.springframework.boot.data.elasticsearch.autoconfigure.health;
+
+import org.jspecify.annotations.NullMarked;
diff --git a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/package-info.java b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/package-info.java
index 3e8a1e29ab6..35d80596c9b 100644
--- a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/package-info.java
+++ b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/autoconfigure/package-info.java
@@ -17,4 +17,7 @@
 /**
  * Auto-configuration for Spring Data Elasticsearch.
  */
+@NullMarked
 package org.springframework.boot.data.elasticsearch.autoconfigure;
+
+import org.jspecify.annotations.NullMarked;
diff --git a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/health/package-info.java b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/health/package-info.java
index baeb5f437b8..e2c675a71b4 100644
--- a/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/health/package-info.java
+++ b/module/spring-boot-data-elasticsearch/src/main/java/org/springframework/boot/data/elasticsearch/health/package-info.java
@@ -17,4 +17,7 @@
 /**
  * Elasticsearch health integration using Spring Data Elasticsearch.
  */
+@NullMarked
 package org.springframework.boot.data.elasticsearch.health;
+
+import org.jspecify.annotations.NullMarked;