diff --git a/solutions/69a86305c46fd26feae6bcaa_Human-in-the-Loop_через_middleware/requirements.txt b/solutions/69a86305c46fd26feae6bcaa_Human-in-the-Loop_через_middleware/requirements.txt
index 7c1d0a3..6f45914 100644
--- a/solutions/69a86305c46fd26feae6bcaa_Human-in-the-Loop_через_middleware/requirements.txt
+++ b/solutions/69a86305c46fd26feae6bcaa_Human-in-the-Loop_через_middleware/requirements.txt
@@ -1,2 +1,3 @@
+langchain
 langgraph
-langchain
\ No newline at end of file
+openai
\ No newline at end of file