diff --git a/backend/requirements.txt b/backend/requirements.txt
index 80b4d541f7c..8702ca229ec 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -34,7 +34,7 @@ anthropic
 google-generativeai==0.7.2
 tiktoken
 
-langchain==0.2.15
+langchain==0.3.0
 langchain-community==0.2.12
 langchain-chroma==0.1.4
 
diff --git a/pyproject.toml b/pyproject.toml
index f7a90a5b222..2a27365d331 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
     "google-generativeai==0.7.2",
     "tiktoken",
 
-    "langchain==0.2.15",
+    "langchain==0.3.0",
     "langchain-community==0.2.12",
     "langchain-chroma==0.1.4",