diff --git a/sdk-tests/pom.xml b/sdk-tests/pom.xml
index 55e532f104..910fd5bb52 100644
--- a/sdk-tests/pom.xml
+++ b/sdk-tests/pom.xml
@@ -120,7 +120,7 @@
       <dependency>
           <groupId>io.projectreactor</groupId>
           <artifactId>reactor-core</artifactId>
-          <version>3.3.11.RELEASE</version>
+          <version>3.5.1</version>
           <scope>test</scope>
       </dependency>
     <dependency>