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 0f88148a9a973..2bd1bdf906ad8 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
@@ -72,6 +72,8 @@ public abstract class KerberosTestCase extends ESTestCase {
         unsupportedLocaleLanguages.add("ks");
         unsupportedLocaleLanguages.add("ckb");
         unsupportedLocaleLanguages.add("ne");
+        unsupportedLocaleLanguages.add("dz");
+        unsupportedLocaleLanguages.add("mzn");
     }
 
     @BeforeClass