diff --git a/build.gradle b/build.gradle
index a3229f4..86dffb0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ dependencies {
     ext {
         versionSLF4J = '1.7.24'
         versionJetty = '9.3.16.v20170120'
-        versionJackson = '2.8.7'
+        versionJackson = '2.9.4'
         versionSwagger = '2.5.0'
     }