diff --git a/backend/pom.xml b/backend/pom.xml
index 6558c2e439..4b5f99755b 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -100,7 +100,7 @@
                 <artifactId>cyclonedx-maven-plugin</artifactId>
                 <version>2.9.1</version>
                 <configuration>
-                    <schemaVersion>1.6</schemaVersion>
+                    <schemaVersion>1.4</schemaVersion>
                 </configuration>
             </plugin>
             <plugin>