diff --git a/k2-parent/pom.xml b/k2-parent/pom.xml
index 4a5a6f4..1db1e62 100644
--- a/k2-parent/pom.xml
+++ b/k2-parent/pom.xml
@@ -597,7 +597,7 @@
     <spring.version>5.1.8.RELEASE</spring.version>
     <hibernate.version>5.4.19.Final</hibernate.version>
     <shiro.version>1.2.4</shiro.version>
-    <jackson.version>2.9.9</jackson.version>
+    <jackson.version>2.11.3</jackson.version>
 
     <!-- Sonar -->
     <sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>