diff --git a/pom.xml b/pom.xml
index 11072c0..1608208 100644
--- a/pom.xml
+++ b/pom.xml
@@ -151,7 +151,7 @@
 		<dependency>
 			<groupId>io.reactivex.rxjava2</groupId>
 			<artifactId>rxjava</artifactId>
-			<version>2.2.19</version>
+			<version>2.2.21</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>