diff --git a/gradle.properties b/gradle.properties
index 35e96e5..372f412 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@ hazelcastVersion=3.6.5
 html5ShivVersion=3.7.3
 htmlUnitVersion=2.24
 httpClientVersion=4.5.1
-jacksonVersion=2.7.6
+jacksonVersion=2.9.0.pr2
 jedisVersion=2.9.0
 jspApiVersion=2.0
 jstlVersion=1.2.1