diff --git a/pyproject.toml b/pyproject.toml
index 8c9a409..7a4d55e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.2.0"
 description = "GCode — a local, interactive AI coding CLI."
 requires-python = ">=3.10"
 dependencies = [
-    "langchain>=1.3.17",
+    "langchain>=1.3.18",
     "langchain-openai>=1.6.0",
     "langchain-core>=1.6.0",
     "python-dotenv>=1.2.3",