diff --git a/build.gradle b/build.gradle
index ad79147387..f58d6040ca 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,7 +31,7 @@ configure(allprojects) { project ->
 	ext.eclipseLinkVersion   = "2.4.2"
 	ext.ehcacheVersion       = "2.8.4"
 	ext.ehcacheJCacheVersion = "1.0.0"
-	ext.groovyVersion        = "2.3.6"
+	ext.groovyVersion        = "2.3.7"
 	ext.hibernate3Version    = "3.6.10.Final"
 	ext.hibernate4Version    = "4.3.6.Final"
 	ext.hibVal4Version       = "4.3.2.Final"
@@ -44,7 +44,7 @@ configure(allprojects) { project ->
 	ext.jodaVersion          = "2.4"
 	ext.junitVersion         = "4.11"
 	ext.openJpaVersion       = "2.2.2"  // 2.3.0 not Java 8 compatible (based on ASM 4)
-	ext.protobufVersion      = "2.5.0"
+	ext.protobufVersion      = "2.6.0"
 	ext.reactorVersion       = "1.1.4.RELEASE"
 	ext.slf4jVersion         = "1.7.7"
 	ext.snakeYamlVersion     = "1.13"
@@ -55,7 +55,7 @@ configure(allprojects) { project ->
 	ext.tyrusVersion         = "1.3.5"
 	ext.undertowVersion      = "1.0.16.Final"
 	ext.xstreamVersion       = "1.4.7"
-	ext.woodstoxVersion      = "4.1.6"
+	ext.woodstoxVersion      = "4.4.1"
 
 	ext.gradleScriptDir = "${rootProject.projectDir}/gradle"