diff --git a/backend/requirements.txt b/backend/requirements.txt
index eb1ee6018..1cd42952f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -43,7 +43,7 @@ tiktoken
 langchain==0.3.19
 langchain-community==0.3.18
 
-fake-useragent==1.5.1
+fake-useragent==2.1.0
 chromadb==0.6.2
 pymilvus==2.5.0
 qdrant-client~=1.12.0
diff --git a/pyproject.toml b/pyproject.toml
index 0666ac8a2..d632ba9bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ dependencies = [
     "langchain==0.3.19",
     "langchain-community==0.3.18",
 
-    "fake-useragent==1.5.1",
+    "fake-useragent==2.1.0",
     "chromadb==0.6.2",
     "pymilvus==2.5.0",
     "qdrant-client~=1.12.0",