diff --git a/src/controller/python/chip/clusters/Types.py b/src/controller/python/chip/clusters/Types.py
index 2359705010ec49..cb420eec7cb646 100644
--- a/src/controller/python/chip/clusters/Types.py
+++ b/src/controller/python/chip/clusters/Types.py
@@ -15,7 +15,6 @@
 #    limitations under the License.
 #
 
-
 class Nullable():
     def __repr__(self):
         return 'Null'
@@ -32,5 +31,13 @@ def __ne__(self, other):
     def __lt__(self, other):
         return True
 
+    def __hash__(self):
+        ''' Explicitly implement __hash__() to imply immutability when used in
+            dataclasses.
+
+            See also: https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass
+        '''
+        return 0
+
 
 NullValue = Nullable()