diff --git a/agave/version.py b/agave/version.py
index eead3198..2458914b 100644
--- a/agave/version.py
+++ b/agave/version.py
@@ -1 +1 @@
-__version__ = '0.0.5'
+__version__ = '0.0.6.dev0'
diff --git a/setup.py b/setup.py
index 9fb90bf2..23efbd0f 100644
--- a/setup.py
+++ b/setup.py
@@ -26,10 +26,13 @@
         'chalice>=1.16.0,<1.21.7',
         'cuenca-validations>=0.4,<0.7',
         'blinker>=1.4,<1.5',
-        'mongoengine>=0.20.0,<0.23.0',
         'dnspython>=2.0.0,<2.1.0',
         'dataclasses>=0.6;python_version<"3.7"',
     ],
+    extras_require=[
+        'mongoengine>=0.20.0,<0.23.0',
+        'rom<=1.0.0'
+    ],
     classifiers=[
         'Programming Language :: Python :: 3.8',
         'License :: OSI Approved :: MIT License',