diff --git a/package.json b/package.json
index 449fd8dc..d3c565b3 100644
--- a/package.json
+++ b/package.json
@@ -15,11 +15,11 @@
   },
   "license": "MIT",
   "dependencies": {
-    "@abaplint/cli": "^2.113.210",
+    "@abaplint/cli": "^2.113.220",
     "@abaplint/database-pg": "^2.11.78",
     "@abaplint/database-sqlite": "^2.11.78",
-    "@abaplint/runtime": "^2.11.93",
-    "@abaplint/transpiler-cli": "^2.11.93",
+    "@abaplint/runtime": "^2.11.96",
+    "@abaplint/transpiler-cli": "^2.11.96",
     "0x": "^6.0.0"
   }
 }
diff --git a/src/ixml/cl_ixml.clas.locals_imp.abap b/src/ixml/cl_ixml.clas.locals_imp.abap
index 03923e4a..c392abad 100644
--- a/src/ixml/cl_ixml.clas.locals_imp.abap
+++ b/src/ixml/cl_ixml.clas.locals_imp.abap
@@ -482,7 +482,7 @@ CLASS lcl_node IMPLEMENTATION.
   ENDMETHOD.
 
   METHOD if_ixml_element~set_attribute_node_ns.
-    ASSERT 1 = 'todo'.
+    mi_attributes->set_named_item_ns( new_attr ).
   ENDMETHOD.
 
   METHOD if_ixml_element~set_attribute.
@@ -784,7 +784,9 @@ CLASS lcl_document IMPLEMENTATION.
   ENDMETHOD.
 
   METHOD if_ixml_document~create_attribute_ns.
-    ASSERT 1 = 'todo'.
+    CREATE OBJECT rval TYPE lcl_node.
+    rval->if_ixml_node~set_name( name ).
+    rval->if_ixml_node~set_namespace_prefix( prefix ).
   ENDMETHOD.
 
   METHOD if_ixml_document~create_element_ns.
diff --git a/src/ixml/cl_ixml.clas.testclasses.abap b/src/ixml/cl_ixml.clas.testclasses.abap
index 295600cd..96f70049 100644
--- a/src/ixml/cl_ixml.clas.testclasses.abap
+++ b/src/ixml/cl_ixml.clas.testclasses.abap
@@ -49,6 +49,7 @@ CLASS ltcl_xml DEFINITION FOR TESTING RISK LEVEL HARMLESS DURATION SHORT FINAL.
     METHODS pretty4 FOR TESTING RAISING cx_static_check.
     METHODS pretty5 FOR TESTING RAISING cx_static_check.
     METHODS add_stuff FOR TESTING RAISING cx_static_check.
+    METHODS create_attribute_ns FOR TESTING RAISING cx_static_check.
 
     DATA mi_ixml     TYPE REF TO if_ixml.
     DATA mi_document TYPE REF TO if_ixml_document.
@@ -1152,4 +1153,36 @@ CLASS ltcl_xml IMPLEMENTATION.
 
   ENDMETHOD.
 
+  METHOD create_attribute_ns.
+    DATA li_element TYPE REF TO if_ixml_element.
+    DATA li_top     TYPE REF TO if_ixml_element.
+    DATA lv_xml     TYPE string.
+    DATA li_attr    TYPE REF TO if_ixml_attribute.
+
+    li_top = mi_document->create_element_ns(
+      prefix = 'asx'
+      name   = 'abap' ).
+    mi_document->append_child( li_top ).
+
+    li_element = mi_document->create_element( 'HELLO' ).
+
+    li_attr = mi_document->create_attribute_ns( 'version' ).
+    li_attr->if_ixml_node~set_value( '1.0' ).
+    li_element->set_attribute_node_ns( li_attr ).
+
+    li_attr = mi_document->create_attribute_ns(
+      name   = 'asx'
+      prefix = 'xmlns' ).
+    li_attr->if_ixml_node~set_value( 'http://abapgit.org' ).
+    li_element->set_attribute_node_ns( li_attr ).
+
+    li_top->append_child( li_element ).
+
+    lv_xml = render( ).
+
+    cl_abap_unit_assert=>assert_char_cp(
+      act = lv_xml
+      exp = '*<HELLO version="1.0" xmlns:asx="http://abapgit.org"/>*' ).
+  ENDMETHOD.
+
 ENDCLASS.
\ No newline at end of file
diff --git a/src/ixml/if_ixml_attribute.intf.abap b/src/ixml/if_ixml_attribute.intf.abap
index dc7aceaa..f9896d74 100644
--- a/src/ixml/if_ixml_attribute.intf.abap
+++ b/src/ixml/if_ixml_attribute.intf.abap
@@ -1,6 +1,8 @@
 INTERFACE if_ixml_attribute PUBLIC.
   INTERFACES if_ixml_node.
-  METHODS get_value RETURNING VALUE(val) TYPE string.
-  METHODS set_value IMPORTING value TYPE string.
-  METHODS get_name RETURNING VALUE(val) TYPE string.
+
+  ALIASES get_value FOR if_ixml_node~get_value.
+  ALIASES set_value FOR if_ixml_node~set_value.
+  ALIASES get_name FOR if_ixml_node~get_name.
+  ALIASES set_name FOR if_ixml_node~set_name.
 ENDINTERFACE.
\ No newline at end of file
diff --git a/src/ixml/if_ixml_document.intf.abap b/src/ixml/if_ixml_document.intf.abap
index 25fe4817..5632d8f5 100644
--- a/src/ixml/if_ixml_document.intf.abap
+++ b/src/ixml/if_ixml_document.intf.abap
@@ -24,10 +24,10 @@ INTERFACE if_ixml_document PUBLIC.
         VALUE(child) TYPE REF TO if_ixml_node,
     create_attribute_ns
       IMPORTING
-        name           TYPE string
-        prefix         TYPE string OPTIONAL
+        name        TYPE string
+        prefix      TYPE string OPTIONAL
       RETURNING
-        VALUE(element) TYPE REF TO if_ixml_attribute,
+        VALUE(rval) TYPE REF TO if_ixml_attribute,
     create_element_ns
       IMPORTING
         name           TYPE string
diff --git a/src/ixml/if_ixml_element.intf.abap b/src/ixml/if_ixml_element.intf.abap
index 384d20d0..0fa8e6b9 100644
--- a/src/ixml/if_ixml_element.intf.abap
+++ b/src/ixml/if_ixml_element.intf.abap
@@ -80,7 +80,7 @@ INTERFACE if_ixml_element PUBLIC.
         ostream TYPE REF TO if_ixml_ostream,
     set_attribute_node_ns
       IMPORTING
-        attr TYPE any,
+        new_attr TYPE REF TO if_ixml_attribute,
     set_attribute
       IMPORTING
         name        TYPE string