diff --git a/sender/pom.xml b/sender/pom.xml
index ba3bc40..9bcd291 100644
--- a/sender/pom.xml
+++ b/sender/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-core</artifactId>
-            <version>3.6.2</version>
+            <version>3.6.6</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>