diff --git a/Dockerfile.dev b/Dockerfile.dev
index b22f5ca4d..5bc4891a3 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -7,7 +7,8 @@ RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-
     cd /usr/local/bin && \
     ln -s /opt/poetry/bin/poetry && \
     poetry config virtualenvs.create false
-    
+
+RUN mkdir /app/
 COPY ./pyproject.toml ./app/poetry.lock* /app/
 
 WORKDIR /app