diff --git a/README.rst b/README.rst
index b960113..a7a414b 100644
--- a/README.rst
+++ b/README.rst
@@ -78,11 +78,14 @@ Filter classes
     Multi select filter for relation fields.
 * **MultiSelectRelatedOnlyFilter**
     Multi select filter for related fields with choices limited to the objects
-    involved in that relation
+    involved in that relation.
 * **MultiSelectDropdownFilter**
     Multi select dropdown filter for all kind of fields.
 * **MultiSelectRelatedDropdownFilter**
     Multi select dropdown filter for relation fields.
+* **MultiSelectRelatedOnlyDropdownFilter**
+    Multi select dropdown filter for relation fields with choices limited to the objects
+    involved in that relation.
 * **BooleanAnnotationFilter**
     Filter for annotated boolean-attributes.
 
diff --git a/more_admin_filters/filters.py b/more_admin_filters/filters.py
index 7c03793..60053c5 100644
--- a/more_admin_filters/filters.py
+++ b/more_admin_filters/filters.py
@@ -283,6 +283,10 @@ class MultiSelectRelatedDropdownFilter(MultiSelectRelatedFilter):
             }
 
 
+class MultiSelectRelatedOnlyDropdownFilter(MultiSelectRelatedDropdownFilter, MultiSelectRelatedOnlyFilter):
+    pass
+
+
 # Filter for annotated attributes.
 # NOTE: The code is more or less the same than admin.FieldListFilter but
 # we must not subclass it. Otherwise django's filter setup routine wants a real