diff --git a/inv/models/firmware.py b/inv/models/firmware.py
index 2cddd5602a39db3f904621654f595632cd416c10..9bd451151f789052b59542aa39b0aca69d43e555 100644
--- a/inv/models/firmware.py
+++ b/inv/models/firmware.py
@@ -110,6 +110,9 @@ class Firmware(Document):
             return False
         return r <= 0
 
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
     def __hash__(self):
         return hash(f"{self.profile.id}{self.vendor.id}{self.version}")