diff --git a/parent/pom.xml b/parent/pom.xml
index e26ccd3b..62bced68 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -107,7 +107,7 @@
 		<reactor>Californium-BUILD-SNAPSHOT</reactor>
 		<rxjava>1.3.8</rxjava>
 		<rxjava-reactive-streams>1.2.1</rxjava-reactive-streams>
-		<rxjava2>2.2.19</rxjava2>
+		<rxjava2>2.2.20</rxjava2>
 		<slf4j>1.7.26</slf4j>
 		<spring>5.1.19.BUILD-SNAPSHOT</spring>
 		<spring-hateoas>0.25.2.RELEASE</spring-hateoas>