diff --git a/buildSrc/version.properties b/buildSrc/version.properties
index 39662a309d1..7e23db81bc4 100644
--- a/buildSrc/version.properties
+++ b/buildSrc/version.properties
@@ -7,8 +7,7 @@ jts               = 1.13
 jackson           = 2.7.1
 log4j             = 1.2.17
 slf4j             = 1.6.2
-jna               = 4.1.0
-
+jna               = 4.2.2
 
 # test dependencies
 randomizedrunner  = 2.3.2
diff --git a/core/build.gradle b/core/build.gradle
index 9137ce68824..88c5cc2a16d 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -89,7 +89,7 @@ dependencies {
   compile "log4j:log4j:${versions.log4j}", optional
   compile "log4j:apache-log4j-extras:${versions.log4j}", optional
 
-  compile "net.java.dev.jna:jna:${versions.jna}", optional
+  compile "net.java.dev.jna:jna:${versions.jna}"
 
   if (isEclipse == false || project.path == ":core-tests") {
     testCompile("org.elasticsearch.test:framework:${version}") {