diff --git a/Dockerfile b/Dockerfile
index 49b9991..1ee3a22 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,8 +8,9 @@ WORKDIR /app
 
 # Export poetry dependencies to file
 RUN pip install --upgrade pip
-COPY poetry.lock pyproject.toml ./
 RUN pip install poetry poetry-plugin-export
+COPY poetry.lock pyproject.toml ./
+RUN poetry lock
 RUN poetry export --without-hashes --format requirements.txt --output /app/requirements.txt
 
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