diff --git a/backend/requirements.txt b/backend/requirements.txt
index 499eae36dec..06e85c3d359 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -41,7 +41,7 @@ google-generativeai==0.8.4
 tiktoken
 
 langchain==0.3.19
-langchain-community==0.3.18
+langchain-community==0.3.27
 
 fake-useragent==2.1.0
 chromadb==0.6.2
diff --git a/pyproject.toml b/pyproject.toml
index 52260e45e22..225ec0f337f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dependencies = [
     "tiktoken",
 
     "langchain==0.3.19",
-    "langchain-community==0.3.18",
+    "langchain-community==0.3.27",
 
     "fake-useragent==2.1.0",
     "chromadb==0.6.2",