diff --git a/Containerfile b/Containerfile
index ccd8993c..fe6428f6 100644
--- a/Containerfile
+++ b/Containerfile
@@ -31,7 +31,7 @@ COPY --from=lightspeed-rag-content /rag/embeddings_model ./embeddings_model
 
 # Add explicit files and directories
 # (avoid accidental inclusion of local directories or env files or credentials)
-COPY runner.py ./
+COPY runner.py pyproject.toml ./
 
 RUN pip3.11 install .