diff --git a/requirements.txt b/requirements.txt
index 91e9f2c..64f137e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ vllm==0.2.2; sys_platform == "linux"
 
 arxiv>=2.0.0
 youtube-search>=2.1.2
-duckduckgo-search>=4.9.3
+duckduckgo-search>=3.9.3
 metaphor-python>=0.1.23
 
 # WebUI requirements