diff --git a/src/JavaSecurity/LearningDeserialization/pom.xml b/src/JavaSecurity/LearningDeserialization/pom.xml
index 2cee656..7f58b66 100644
--- a/src/JavaSecurity/LearningDeserialization/pom.xml
+++ b/src/JavaSecurity/LearningDeserialization/pom.xml
@@ -74,7 +74,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.8.8</version>
+            <version>2.12.7.1</version>
         </dependency>
         <dependency>
             <groupId>javassist</groupId>