diff --git a/backend/requirements.txt b/backend/requirements.txt
index 561f291cb..8172dd882 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -35,7 +35,7 @@ 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 b6248063d..b631e153a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ 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",