diff --git a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java b/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java
index cad9f689d3d5c..39d62c7bcea98 100644
--- a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java
+++ b/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java
@@ -70,6 +70,7 @@ public abstract class KerberosTestCase extends ESTestCase {
         unsupportedLocaleLanguages.add("uz");
         unsupportedLocaleLanguages.add("fa");
         unsupportedLocaleLanguages.add("ks");
+        unsupportedLocaleLanguages.add("ckb");
     }
 
     @BeforeClass