diff --git a/topics/testing/code/pom.xml b/topics/testing/code/pom.xml
index 9834b27..f4510c8 100644
--- a/topics/testing/code/pom.xml
+++ b/topics/testing/code/pom.xml
@@ -85,7 +85,7 @@
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-test</artifactId>
             <scope>test</scope>
-            <version>3.5.8</version>
+            <version>3.6.4</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>