diff --git a/confluence/pom.xml b/confluence/pom.xml
index 977b7e79..61618787 100644
--- a/confluence/pom.xml
+++ b/confluence/pom.xml
@@ -71,6 +71,13 @@
                 <version>${confluence.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
+                <exclusions>
+                    <exclusion>
+                        <!-- exclude because Maven central does not allow the used versions containing an '@' character -->
+                        <groupId>com.atlassian.platform</groupId>
+                        <artifactId>ctk-plugin</artifactId>
+                    </exclusion>
+                </exclusions>
             </dependency>
 
             <dependency>