diff --git a/build.gradle b/build.gradle
index 9191462bba..9ff39f4baf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,19 +31,19 @@ configure(allprojects) { project ->
 	ext.eclipselinkVersion   = "2.4.2"
 	ext.ehcacheVersion       = "2.10.1"
 	ext.ehcachejcacheVersion = "1.0.1"
-	ext.ehcache3Version      = "3.0.0.m4"
+	ext.ehcache3Version      = "3.0.0.m5"
 	ext.ejbApiVersion        = "3.0"
 	ext.fileuploadVersion    = "1.3.1"
 	ext.freemarkerVersion    = "2.3.23"
-	ext.groovyVersion        = "2.4.5"
-	ext.gsonVersion          = "2.5"
+	ext.groovyVersion        = "2.4.6"
+	ext.gsonVersion          = "2.6.1"
 	ext.guavaVersion         = "19.0"
 	ext.hamcrestVersion      = "1.3"
 	ext.hibernate3Version    = "3.6.10.Final"
 	ext.hibernate4Version    = "4.3.11.Final"
-	ext.hibernate5Version    = "5.0.7.Final"
+	ext.hibernate5Version    = "5.0.8.Final"
 	ext.hibval4Version       = "4.3.2.Final"
-	ext.hibval5Version       = "5.2.3.Final"
+	ext.hibval5Version       = "5.2.4.Final"
 	ext.hsqldbVersion        = "2.3.3"
 	ext.htmlunitVersion      = "2.19"
 	ext.httpasyncVersion     = "4.1.1"
@@ -66,15 +66,15 @@ configure(allprojects) { project ->
 	ext.reactorVersion       = "2.0.7.RELEASE"
 	ext.romeVersion          = "1.5.1"
 	ext.seleniumVersion      = "2.48.2"
-	ext.slf4jVersion         = "1.7.15"
-	ext.snakeyamlVersion     = "1.16"
+	ext.slf4jVersion         = "1.7.16"
+	ext.snakeyamlVersion     = "1.17"
 	ext.snifferVersion       = "1.14"
 	ext.testngVersion        = "6.9.10"
 	ext.tiles2Version        = "2.2.2"
 	ext.tiles3Version        = "3.0.5"
 	ext.tomcatVersion        = "8.0.32"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
-	ext.undertowVersion      = "1.3.17.Final"
+	ext.undertowVersion      = "1.3.18.Final"
 	ext.woodstoxVersion      = "5.0.1"
 	ext.xmlunitVersion       = "1.6"
 	ext.xstreamVersion       = "1.4.8"