diff --git a/spring-boot/spring-boot-redis/pom.xml b/spring-boot/spring-boot-redis/pom.xml
index b3df4d7..7fc4b8c 100644
--- a/spring-boot/spring-boot-redis/pom.xml
+++ b/spring-boot/spring-boot-redis/pom.xml
@@ -39,7 +39,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.9</version>
+            <version>2.9.9.1</version>
         </dependency>
     </dependencies>