diff --git a/README.rst b/README.rst
index 35c64041..2e0950ab 100644
--- a/README.rst
+++ b/README.rst
@@ -115,6 +115,8 @@ now marked as "Email".
 
 Here is the list of special types currently accepted by Metabase:
 
+* ``type/PK``
+* ``type/FK``
 * ``type/AvatarURL``
 * ``type/Category``
 * ``type/City``
diff --git a/dbtmetabase/__init__.py b/dbtmetabase/__init__.py
index 2b7de57a..3d4f3694 100644
--- a/dbtmetabase/__init__.py
+++ b/dbtmetabase/__init__.py
@@ -3,7 +3,7 @@
 from .dbt import DbtReader
 from .metabase import MetabaseClient
 
-__version__ = '0.4.1'
+__version__ = '0.4.2'
 
 def export(dbt_path: str, 
         mb_host: str, mb_user: str, mb_password: str,
diff --git a/macros/tests.sql b/macros/tests.sql
index 93774013..53eec76c 100644
--- a/macros/tests.sql
+++ b/macros/tests.sql
@@ -3,6 +3,8 @@
 select sum(count) as count from (
   
   select count(*) as count where '{{ special_type }}' not in (
+      'type/PK',
+      'type/FK',
       'type/AvatarURL',
       'type/Category',
       'type/City',