diff --git a/pom.xml b/pom.xml
index d9bed1b..b15ad0c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -161,7 +161,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.5</version>
+                <version>3.5.6</version>
                 <configuration>
                     <systemPropertyVariables>
                         <CODEX_VERSION>${project.version}</CODEX_VERSION>