diff --git a/build.gradle b/build.gradle
index 26612b817c..c9e190bb36 100644
--- a/build.gradle
+++ b/build.gradle
@@ -56,7 +56,7 @@ configure(allprojects) { project ->
 	ext.reactorVersion       = "Bismuth-BUILD-SNAPSHOT"
 	ext.rxjavaVersion        = "1.3.4"
 	ext.rxjavaAdapterVersion = "1.2.1"
-	ext.rxjava2Version       = "2.1.7"
+	ext.rxjava2Version       = "2.1.8"
 	ext.slf4jVersion         = "1.7.25"
 	ext.tiles3Version        = "3.0.8"
 	ext.tomcatVersion        = "8.5.24"
diff --git a/spring-web/spring-web.gradle b/spring-web/spring-web.gradle
index e326674438..a6e8ea71a6 100644
--- a/spring-web/spring-web.gradle
+++ b/spring-web/spring-web.gradle
@@ -60,7 +60,7 @@ dependencies {
 	optional("com.fasterxml.jackson.dataformat:jackson-dataformat-smile:${jackson2Version}")
 	optional("com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:${jackson2Version}")
 	optional("com.google.code.gson:gson:2.8.2")
-	optional("com.google.protobuf:protobuf-java-util:3.5.0")
+	optional("com.google.protobuf:protobuf-java-util:3.5.1")
 	optional("com.googlecode.protobuf-java-format:protobuf-java-format:1.4")
 	optional("com.rometools:rome:1.9.0")
 	optional("com.caucho:hessian:4.0.51")