diff --git a/pyproject.toml b/pyproject.toml
index 2f73075..8a74428 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ test = [
     "pytest==8.4.1",
     "pytest-asyncio==0.26.0",
     "pytest-cov==5.0.0",
-    "langchain_google_vertexai==2.0.27"
+    "langchain_google_vertexai==3.0.0"
 ]
 
 [build-system]