diff --git a/src/melobot/adapter/model.py b/src/melobot/adapter/model.py
index da17fd5..e1b0e85 100644
--- a/src/melobot/adapter/model.py
+++ b/src/melobot/adapter/model.py
@@ -199,7 +199,7 @@ class _ChainStep:
 
 
 @dataclass(kw_only=True)
-class _ChainCtxStep(_ChainStep):
+class _ChainCtxStep(_ChainStep):  # type: ignore[override]
     ctx_var: Context
     ctx_val: Any
     coros: Sequence[Coroutine] = field(default_factory=tuple)
diff --git a/src/melobot/protocols/onebot/v11/io/packet.py b/src/melobot/protocols/onebot/v11/io/packet.py
index 2799ac3..5f6ecba 100644
--- a/src/melobot/protocols/onebot/v11/io/packet.py
+++ b/src/melobot/protocols/onebot/v11/io/packet.py
@@ -8,13 +8,13 @@
 
 
 @dataclass(kw_only=True)
-class InPacket(RootInPak):
+class InPacket(RootInPak):  # type: ignore[override]
     data: dict
     protocol: str = PROTOCOL_IDENTIFIER
 
 
 @dataclass(kw_only=True)
-class OutPacket(RootOutPak):
+class OutPacket(RootOutPak):  # type: ignore[override]
     data: str
     action_type: str
     action_params: dict
@@ -23,7 +23,7 @@ class OutPacket(RootOutPak):
 
 
 @dataclass(kw_only=True)
-class EchoPacket(RootEchoPak):
+class EchoPacket(RootEchoPak):  # type: ignore[override]
     action_type: str = ""
     data: dict = field(default_factory=dict)
     protocol: str = PROTOCOL_IDENTIFIER