diff --git a/amazon-kinesis-client/pom.xml b/amazon-kinesis-client/pom.xml
index 6e378b61..c94768fe 100644
--- a/amazon-kinesis-client/pom.xml
+++ b/amazon-kinesis-client/pom.xml
@@ -109,7 +109,7 @@
     <dependency>
       <groupId>io.reactivex.rxjava2</groupId>
       <artifactId>rxjava</artifactId>
-      <version>2.1.14</version>
+      <version>2.2.21</version>
     </dependency>
 
     <dependency>