diff --git a/gradle.properties b/gradle.properties
index 2eddf97c..a9cefc63 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,11 +1,11 @@
 version=1.0.0.BUILD-SNAPSHOT
-springVersion = 4.1.7.RELEASE
+springVersion = 4.2.1.RELEASE
 springSecurityVersion = 4.0.2.RELEASE
 springBootVersion = 1.2.5.RELEASE
-springSessionVersion = 1.0.1.RELEASE
-curatorVersion = 2.6.0
-kryoVersion = 2.22
+springSessionVersion = 1.0.2.RELEASE
+curatorVersion = 2.8.0
+kryoVersion = 2.24.0
 hamcrestVersion = 1.3
-junitVersion = 4.11
+junitVersion = 4.12
 log4jVersion = 1.2.17