diff --git a/build.gradle b/build.gradle
index 1f94708e3a2..f5e05673b10 100644
--- a/build.gradle
+++ b/build.gradle
@@ -73,7 +73,7 @@ configure(allprojects) { project ->
 	ext.log4jVersion           = '2.7'
 	ext.nettyVersion           = "4.1.6.Final"
 	ext.okhttpVersion          = "2.7.5"
-	ext.okhttp3Version         = "3.4.2"
+	ext.okhttp3Version         = "3.5.0"
 	ext.poiVersion             = "3.15"
 	ext.protobufVersion        = "3.1.0"
 	ext.quartzVersion          = "2.2.3"
@@ -91,13 +91,13 @@ configure(allprojects) { project ->
 	ext.snifferVersion         = "1.15"
 	ext.testngVersion          = "6.9.12"
 	ext.tiles3Version          = "3.0.7"
-	ext.tomcatVersion          = "8.5.8"
+	ext.tomcatVersion          = "8.5.9"
 	ext.tyrusVersion           = "1.13"
-	ext.undertowVersion        = "1.4.6.Final"
+	ext.undertowVersion        = "1.4.7.Final"
 	ext.websocketVersion       = "1.1"
 	ext.woodstoxVersion        = "5.0.3"
 	ext.xmlunitVersion         = "2.2.1"
-	ext.xnioVersion            = "3.4.1.Final"
+	ext.xnioVersion            = "3.4.2.Final"
 	ext.xstreamVersion         = "1.4.9"
 
 	ext.gradleScriptDir = "${rootProject.projectDir}/gradle"