diff --git a/applications/modelling_e2e/Dockerfile b/applications/modelling_e2e/Dockerfile
index fa13f8efa..1b7ee0804 100644
--- a/applications/modelling_e2e/Dockerfile
+++ b/applications/modelling_e2e/Dockerfile
@@ -19,6 +19,19 @@ COPY tests/__init__.py tests/__init__.py
 COPY tests/orchestration/__init__.py tests/orchestration/__init__.py
 COPY tests/orchestration/fakes.py tests/orchestration/fakes.py
 
+# The Historic EPC S3 repo (ADR-0054) maps shard rows through
+# datatypes/epc/domain/historic_epc_matching.py, which reaches back into the
+# legacy address matcher. Copied file-by-file rather than `COPY backend/ backend/`
+# — backend/ is the whole legacy engine, and the closure needs only these. Their
+# third-party deps (pandas, requests) are already in requirements.txt.
+COPY utils/__init__.py utils/__init__.py
+COPY utils/pandas_utils.py utils/pandas_utils.py
+COPY backend/__init__.py backend/__init__.py
+COPY backend/utils/__init__.py backend/utils/__init__.py
+COPY backend/utils/addressMatch.py backend/utils/addressMatch.py
+COPY backend/address2UPRN/__init__.py backend/address2UPRN/__init__.py
+COPY backend/address2UPRN/scoring.py backend/address2UPRN/scoring.py
+
 COPY applications/ applications/
 
 CMD ["applications.modelling_e2e.handler.handler"]