diff --git a/build.gradle b/build.gradle
index b522321bdc..664ca363ee 100644
--- a/build.gradle
+++ b/build.gradle
@@ -133,10 +133,10 @@ subprojects { subproject ->
 		springDataMongoVersion = '1.9.11.RELEASE'
 		springDataRedisVersion = '1.7.11.RELEASE'
 		springGemfireVersion = '1.8.11.RELEASE'
-		springSecurityVersion = '4.2.6.RELEASE'
+		springSecurityVersion = '4.2.7.RELEASE'
 		springSocialTwitterVersion = '1.1.2.RELEASE'
 		springRetryVersion = '1.1.3.RELEASE'
-		springVersion = project.hasProperty('springVersion') ? project.springVersion : '4.3.17.RELEASE'
+		springVersion = project.hasProperty('springVersion') ? project.springVersion : '4.3.18.RELEASE'
 		springWsVersion = '2.3.0.RELEASE'
 		xmlUnitVersion = '1.6'
 		xstreamVersion = '1.4.7'