diff --git a/.gitea/Dockerfile.test b/.gitea/Dockerfile.test
index c6bd071..c6b9880 100644
--- a/.gitea/Dockerfile.test
+++ b/.gitea/Dockerfile.test
@@ -43,8 +43,9 @@ COPY --chown=opam:opam hosts/ocaml/dune-project ./hosts/ocaml/
 COPY --chown=opam:opam hosts/ocaml/lib/         ./hosts/ocaml/lib/
 COPY --chown=opam:opam hosts/ocaml/bin/         ./hosts/ocaml/bin/
 
-# Copy spec, web, shared (needed by bootstrappers + tests)
+# Copy spec, lib, web, shared (needed by bootstrappers + tests)
 COPY --chown=opam:opam spec/           ./spec/
+COPY --chown=opam:opam lib/            ./lib/
 COPY --chown=opam:opam web/            ./web/
 COPY --chown=opam:opam shared/sx/      ./shared/sx/
 COPY --chown=opam:opam shared/__init__.py ./shared/__init__.py