diff --git a/learn-sitech-project/learn-spring-resty/pom.xml b/learn-sitech-project/learn-spring-resty/pom.xml
index 0ee9cf7..bf3c1a1 100644
--- a/learn-sitech-project/learn-spring-resty/pom.xml
+++ b/learn-sitech-project/learn-spring-resty/pom.xml
@@ -19,7 +19,7 @@
     <properties>
         <spring.version>3.2.2.RELEASE</spring.version>
         <resteasy.version>3.0.6.Final</resteasy.version>
-        <jackson.version>2.2.1</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
 
     </properties>
 
diff --git a/learn-sitech-project/pom.xml b/learn-sitech-project/pom.xml
index 86ecc47..7e7eda6 100644
--- a/learn-sitech-project/pom.xml
+++ b/learn-sitech-project/pom.xml
@@ -18,7 +18,7 @@
     <properties>
         <jdk.version>1.7</jdk.version>
         <spring.version>4.3.12.RELEASE</spring.version>
-        <jackson.version>2.8.10</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
         <slf4j.version>1.7.25</slf4j.version>
         <logback.version>1.2.3</logback.version>
         <jedis.version></jedis.version>