diff --git a/build.gradle b/build.gradle
index 3a037acd4b4..b1f6a5728a9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -56,7 +56,7 @@ configure(allprojects) { project ->
 	ext.reactorVersion       = "Bismuth-SR4"
 	ext.rxjavaVersion        = "1.3.4"
 	ext.rxjavaAdapterVersion = "1.2.1"
-	ext.rxjava2Version       = "2.1.6"
+	ext.rxjava2Version       = "2.1.7"
 	ext.slf4jVersion         = "1.7.25"
 	ext.tiles3Version        = "3.0.8"
 	ext.tomcatVersion        = "8.5.23"
diff --git a/spring-test/spring-test.gradle b/spring-test/spring-test.gradle
index 2581f61597f..0f4d39428da 100644
--- a/spring-test/spring-test.gradle
+++ b/spring-test/spring-test.gradle
@@ -36,7 +36,7 @@ dependencies {
 	optional("junit:junit:4.12")
 	optional("org.junit.jupiter:junit-jupiter-api:${junitJupiterVersion}")
 	optional("org.apiguardian:apiguardian-api:1.0.0")  // for compiling against JUnit 5 without warnings
-	optional("org.testng:testng:6.12")
+	optional("org.testng:testng:6.13.1")
 	optional("org.aspectj:aspectjweaver:${aspectjVersion}")
 	optional("org.codehaus.groovy:groovy-all:${groovyVersion}")
 	optional("org.hamcrest:hamcrest-core:1.3")
@@ -46,7 +46,7 @@ dependencies {
 	optional("net.sourceforge.htmlunit:htmlunit:2.28") {
 		exclude group: "commons-logging", module: "commons-logging"
 	}
-	optional("org.seleniumhq.selenium:htmlunit-driver:2.28.1") {
+	optional("org.seleniumhq.selenium:htmlunit-driver:2.28.2") {
 		exclude group: "commons-logging", module: "commons-logging"
 	}
 	optional("org.seleniumhq.selenium:selenium-java:3.7.1") {