diff --git a/chain_service/database/models/chain.py b/chain_service/database/models/chain.py
index ce8abc2..aef11b4 100644
--- a/chain_service/database/models/chain.py
+++ b/chain_service/database/models/chain.py
@@ -20,7 +20,7 @@ class WaitAction(BaseAction):
 class CommentAction(BaseAction):
     action_type: Literal["comment"]
     text: Annotated[Optional[str], Field(default=None)]
-    files: Annotated[Optional[List[str]], Field(default=[])]
+    file_urls: Annotated[Optional[List[str]], Field(default=[])]
 
     class Config(BaseConfig):
         pass
diff --git a/chain_service/database/models/progress_chain.py b/chain_service/database/models/progress_chain.py
index 3a99939..ee6618e 100644
--- a/chain_service/database/models/progress_chain.py
+++ b/chain_service/database/models/progress_chain.py
@@ -36,7 +36,7 @@ class WaitProgressAction(BaseProgressAction):
 class CommentProgressAction(BaseProgressAction):
     action_type: Literal["comment"]
     text: Annotated[Optional[str], Field(default=None)]
-    files: Annotated[Optional[List[str]], Field(default=[])]
+    file_urls: Annotated[Optional[List[str]], Field(default=[])]
 
     class Config(BaseConfig):
         pass