diff --git a/20171217/pom.xml b/20171217/pom.xml
index 4d5ac94..e66cb32 100644
--- a/20171217/pom.xml
+++ b/20171217/pom.xml
@@ -28,7 +28,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.9.3</version>
+			<version>2.13.4.1</version>
 		</dependency>