diff --git a/build.gradle b/build.gradle
index 297a989c4b7..c473286d719 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,7 +41,7 @@ ext {
 	reactorVersion       = "Californium-SR14"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"
-	rxjava2Version       = "2.2.16"
+	rxjava2Version       = "2.2.17"
 	slf4jVersion         = "1.7.30"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
 	tomcatVersion        = "9.0.30"
diff --git a/spring-orm/spring-orm.gradle b/spring-orm/spring-orm.gradle
index 99de34aa6c7..6cf034be1a0 100644
--- a/spring-orm/spring-orm.gradle
+++ b/spring-orm/spring-orm.gradle
@@ -9,7 +9,7 @@ dependencies {
 	optional(project(":spring-context"))
 	optional(project(":spring-web"))
 	optional("org.eclipse.persistence:org.eclipse.persistence.jpa:2.7.4")
-	optional("org.hibernate:hibernate-core:5.3.14.Final")
+	optional("org.hibernate:hibernate-core:5.3.15.Final")
 	optional("javax.servlet:javax.servlet-api:3.1.0")
 	testCompile("org.aspectj:aspectjweaver:${aspectjVersion}")
 	testCompile("org.hsqldb:hsqldb:${hsqldbVersion}")
diff --git a/spring-test/spring-test.gradle b/spring-test/spring-test.gradle
index 621ab4dec42..fa6ed7ee7ef 100644
--- a/spring-test/spring-test.gradle
+++ b/spring-test/spring-test.gradle
@@ -60,7 +60,7 @@ dependencies {
 	testCompile("javax.ejb:javax.ejb-api:3.2")
 	testCompile("javax.interceptor:javax.interceptor-api:1.2.2")
 	testCompile("javax.mail:javax.mail-api:1.6.2")
-	testCompile("org.hibernate:hibernate-core:5.3.12.Final")
+	testCompile("org.hibernate:hibernate-core:5.3.15.Final")
 	testCompile("org.hibernate:hibernate-validator:6.0.18.Final")
 	// Enable use of the JUnit Platform Runner
 	testCompile("org.junit.platform:junit-platform-runner")
diff --git a/spring-web/spring-web.gradle b/spring-web/spring-web.gradle
index 9913a6c5ac7..bf3d6ed5690 100644
--- a/spring-web/spring-web.gradle
+++ b/spring-web/spring-web.gradle
@@ -38,7 +38,7 @@ dependencies {
 		exclude group: "javax.servlet", module: "javax.servlet-api"
 	}
 	optional("org.eclipse.jetty:jetty-reactive-httpclient:1.0.3")
-	optional("com.squareup.okhttp3:okhttp:3.14.5")
+	optional("com.squareup.okhttp3:okhttp:3.14.6")
 	optional("org.apache.httpcomponents:httpclient:4.5.10") {
 		exclude group: "commons-logging", module: "commons-logging"
 	}
@@ -75,7 +75,7 @@ dependencies {
 	testCompile("org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}")
 	testCompile("org.eclipse.jetty:jetty-server")
 	testCompile("org.eclipse.jetty:jetty-servlet")
-	testCompile("com.squareup.okhttp3:mockwebserver:3.14.5")
+	testCompile("com.squareup.okhttp3:mockwebserver:3.14.6")
 	testCompile("org.jetbrains.kotlin:kotlin-reflect:${kotlinVersion}")
 	testCompile("org.skyscreamer:jsonassert:1.5.0")
 	testCompile("org.xmlunit:xmlunit-matchers:2.6.2")
diff --git a/spring-webflux/spring-webflux.gradle b/spring-webflux/spring-webflux.gradle
index 2afb6e4639f..ba3e6b07e70 100644
--- a/spring-webflux/spring-webflux.gradle
+++ b/spring-webflux/spring-webflux.gradle
@@ -51,7 +51,7 @@ dependencies {
 	testCompile("org.eclipse.jetty:jetty-server")
 	testCompile("org.eclipse.jetty:jetty-servlet")
 	testCompile("org.eclipse.jetty:jetty-reactive-httpclient:1.0.3")
-	testCompile("com.squareup.okhttp3:mockwebserver:3.14.5")
+	testCompile("com.squareup.okhttp3:mockwebserver:3.14.6")
 	testCompile("org.jetbrains.kotlin:kotlin-script-runtime:${kotlinVersion}")
 	testRuntime("org.jetbrains.kotlin:kotlin-script-util:${kotlinVersion}")
 	testRuntime("org.jetbrains.kotlin:kotlin-compiler:${kotlinVersion}")