diff --git a/pom.xml b/pom.xml
index 04e82871..76a6bffc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -494,7 +494,7 @@
       <artifactId>assertj-core</artifactId>
       <scope>test</scope>
       <!-- we need to use the same version as in jclouds because we pull in their tests -->
-      <version>3.26.3</version>
+      <version>3.27.1</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty</groupId>