diff --git a/slack_blockkit/utils/utils.py b/slack_blockkit/utils/utils.py
index 1733e54..2993e6c 100644
--- a/slack_blockkit/utils/utils.py
+++ b/slack_blockkit/utils/utils.py
@@ -4,7 +4,7 @@
 
 from slack_blockkit.block import Block
 
-Blocks = List[dict]
+Blocks = List[Block]
 
 
 def get_validated_input(