diff --git a/requirements.txt b/requirements.txt
index 64f137e..853bb6f 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>=3.9.3
+duckduckgo-search>=3.9.9
 metaphor-python>=0.1.23
 
 # WebUI requirements
diff --git a/requirements_api.txt b/requirements_api.txt
index 387b98c..f5148ca 100644
--- a/requirements_api.txt
+++ b/requirements_api.txt
@@ -53,5 +53,5 @@ vllm==0.2.2; sys_platform == "linux"
 
 arxiv>=2.0.0
 youtube-search>=2.1.2
-duckduckgo-search>=4.9.3
+duckduckgo-search>=3.9.9
 metaphor-python>=0.1.23
\ No newline at end of file
diff --git a/requirements_lite.txt b/requirements_lite.txt
index 6eb3f5e..610ea20 100644
--- a/requirements_lite.txt
+++ b/requirements_lite.txt
@@ -58,5 +58,5 @@ einops>=0.7.0
 
 arxiv>=2.0.0
 youtube-search>=2.1.2
-duckduckgo-search>=4.9.3
+duckduckgo-search>=3.9.9
 metaphor-python>=0.1.23
\ No newline at end of file