diff --git a/pyproject.toml b/pyproject.toml
index 0212c77..a153968 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "Summarizer"
 version = "0.1"
 dependencies = [
-    "langchain == 0.1.13",
+    "langchain == 0.2.0",
     "langchain-openai == 0.1.1",
 ]