diff --git a/src/banks/extensions/chat.py b/src/banks/extensions/chat.py
index ea2df08..4c3465a 100644
--- a/src/banks/extensions/chat.py
+++ b/src/banks/extensions/chat.py
@@ -8,7 +8,7 @@
 
 from banks.types import ChatMessage, ContentBlock, ContentBlockType
 
-SUPPORTED_TYPES = ("system", "user")
+SUPPORTED_TYPES = ("system", "user", "assistant")
 CONTENT_BLOCK_REGEX = re.compile(r"<content_block>((?s:.)*)<\/content_block>")