diff --git a/pyproject.toml b/pyproject.toml
index fc3f7235..1b2575f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
     "llama-index-program-openai==0.2.0",
     "llama-index-question-gen-openai==0.2.0",
     "llama-index-readers-file==0.2.0",
-    "langchain==0.1.12",
+    "langchain==0.2.5",
     "langchain-openai==0.0.8",
     "llama-index-llms-perplexity==0.2.0",
     "llama-index-multi-modal-llms-ollama==0.3.0",
diff --git a/requirements.txt b/requirements.txt
index c545c2b1..a49a8c6c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ llama-index-multi-modal-llms-openai==0.2.0
 llama-index-program-openai==0.2.0
 llama-index-question-gen-openai==0.2.0
 llama-index-readers-file==0.2.0
-langchain==0.1.12
+langchain==0.2.5
 langchain-openai==0.0.8
 llama-index-llms-perplexity==0.2.0
 llama-index-multi-modal-llms-ollama==0.3.0