diff --git a/corefx/pom.xml b/corefx/pom.xml
index 149d4ac1..21839cc6 100644
--- a/corefx/pom.xml
+++ b/corefx/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <jung.version>2.1.1</jung.version>
-        <jackson.version>2.9.6</jackson.version>
+        <jackson.version>2.9.9</jackson.version>
         <grpc.version>1.20.0</grpc.version>
     </properties>
 
@@ -153,4 +153,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>