Dependency Updates (#567)

* Dependency Updates

* Moar dependency updates

gradle.properties

@@ -3,24 +3,24 @@ prevVersion=1.2.2
 #
 # main dependencies
 #
-rxjava.version=2.2.19
-reactive-streams.version=1.0.3
+rxjava.version=2.2.21
+reactive-streams.version=1.0.4
 netty.version=4.1.48.Final
 jctools.version=2.1.2
 annotations.version=16.0.3
 dagger.version=2.27
-slf4j.version=1.7.30
+slf4j.version=1.7.36
 reactor.version=3.3.4.RELEASE
 reactor-adapter.version=3.3.3.RELEASE
 #
 # test dependencies
 #
-junit-jupiter.version=5.5.1
-equalsverifier.version=3.1.7
+junit-jupiter.version=5.5.2
+equalsverifier.version=3.1.13
 mockito.version=2.18.3
-guava.version=24.1-jre
+guava.version=24.1.1-jre
 bouncycastle.version=1.59
-paho.version=1.2.0
+paho.version=1.2.5
 #
 # integration test dependencies
 #