diff --git a/pyproject.toml b/pyproject.toml
index 0bb5650..f3d9302 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
     "pydantic~=2.7.0",
     "pydantic-settings~=2.2.0",
     "python-multipart~=0.0.9",
-    "neo4j~=5.20.0",
+    "neo4j~=6.1.0",
     "openai~=1.25.0",
     "httpx~=0.27.0",
     "requests~=2.31.0",