diff --git a/monkey/common/di_container.py b/monkey/common/di_container.py
index 1f2632789..2212a8eb2 100644
--- a/monkey/common/di_container.py
+++ b/monkey/common/di_container.py
@@ -8,6 +8,10 @@ class UnregisteredTypeError(ValueError):
     pass
 
 
+class UnregisteredConventionError(ValueError):
+    pass
+
+
 class DIContainer:
     """
     A dependency injection (DI) container that uses type annotations to resolve and inject