diff --git a/libs/vertexai/pyproject.toml b/libs/vertexai/pyproject.toml
index ff0f6976..0db02c7c 100644
--- a/libs/vertexai/pyproject.toml
+++ b/libs/vertexai/pyproject.toml
@@ -12,7 +12,7 @@ license = "MIT"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"
-langchain-core = ">=0.1.23,<0.2"
+langchain-core = ">=0.1.27,<0.2"
 google-cloud-aiplatform = "^1.42.1"
 google-cloud-storage = "^2.14.0"
 types-requests = "^2.31.0"