diff --git a/libs/langchain/dev.Dockerfile b/libs/langchain/dev.Dockerfile
index 3e07a676f1..4c7fc9c21e 100644
--- a/libs/langchain/dev.Dockerfile
+++ b/libs/langchain/dev.Dockerfile
@@ -35,7 +35,7 @@ FROM langchain-dev-base AS langchain-dev-dependencies
 ARG PYTHON_VIRTUALENV_HOME
 
 # Copy only the dependency files for installation
-COPY pyproject.toml poetry.toml ./
+COPY libs/langchain/pyproject.toml libs/langchain/poetry.toml ./
 
 # Copy the langchain library for installation
 COPY libs/langchain/ libs/langchain/